diff --git a/.gitignore b/.gitignore
index c143e3e..610789b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,17 @@
 /.idea/$CACHE_FILE$
-/.idea/dictionaries/
-/.idea/inspectionProfiles/
+/.idea/compiler.xml
+/.idea/dictionaries
+/.idea/gradle.xml
+/.idea/inspectionProfiles
+/.idea/jarRepositories.xml
+/.idea/libraries
+/.idea/misc.xml
+/.idea/modules
+/.idea/modules.xml
 /.idea/uiDesigner.xml
-/dev/
-/out/
-*.jar
+/.idea/*.iml
+/.idea/.name
+
+/.gradle/
+/build/
+/extracted/
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 68e8dd9..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="IntelliJ IDEA IU-201.7846.76" project-jdk-type="IDEA JDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 60633e1..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/IntelliJ-Colored-Icons.iml" filepath="$PROJECT_DIR$/IntelliJ-Colored-Icons.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations/FixSVGs.xml b/.idea/runConfigurations/FixSVGs.xml
index a9da3b4..d67e18a 100644
--- a/.idea/runConfigurations/FixSVGs.xml
+++ b/.idea/runConfigurations/FixSVGs.xml
@@ -1,10 +1,10 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="FixSVGs" type="Application" factoryName="Application" nameIsGenerated="true">
     <option name="MAIN_CLASS_NAME" value="com.chylex.intellij.coloredicons.FixSVGs" />
-    <module name="IntelliJ-Colored-Icons" />
+    <module name="ColoredIcons.helpers" />
     <shortenClasspath name="MANIFEST" />
     <method v="2">
       <option name="Make" enabled="true" />
     </method>
   </configuration>
-</component>
\ No newline at end of file
+</component>
diff --git a/.idea/runConfigurations/GrabIconsFromInstalledIDEs.xml b/.idea/runConfigurations/GrabIconsFromInstalledIDEs.xml
index 25d96f7..53d3610 100644
--- a/.idea/runConfigurations/GrabIconsFromInstalledIDEs.xml
+++ b/.idea/runConfigurations/GrabIconsFromInstalledIDEs.xml
@@ -1,10 +1,10 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="GrabIconsFromInstalledIDEs" type="Application" factoryName="Application" nameIsGenerated="true">
     <option name="MAIN_CLASS_NAME" value="com.chylex.intellij.coloredicons.GrabIconsFromInstalledIDEs" />
-    <module name="IntelliJ-Colored-Icons" />
+    <module name="ColoredIcons.helpers" />
     <shortenClasspath name="MANIFEST" />
     <method v="2">
       <option name="Make" enabled="true" />
     </method>
   </configuration>
-</component>
\ No newline at end of file
+</component>
diff --git a/.idea/runConfigurations/Run_IDEA.xml b/.idea/runConfigurations/Run_IDEA.xml
new file mode 100644
index 0000000..b45f640
--- /dev/null
+++ b/.idea/runConfigurations/Run_IDEA.xml
@@ -0,0 +1,23 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Run IDEA" type="GradleRunConfiguration" factoryName="Gradle">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value="runIde" />
+        </list>
+      </option>
+      <option name="vmOptions" />
+    </ExternalSystemSettings>
+    <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
+    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
+    <DebugAllEnabled>false</DebugAllEnabled>
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/IntelliJ-Colored-Icons.iml b/IntelliJ-Colored-Icons.iml
deleted file mode 100644
index 5fc1586..0000000
--- a/IntelliJ-Colored-Icons.iml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="PLUGIN_MODULE" version="4">
-  <component name="DevKit.ModuleBuildProperties" url="file://$MODULE_DIR$/resources/META-INF/plugin.xml" />
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/helpers" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
-      <excludeFolder url="file://$MODULE_DIR$/extracted" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..2b08c34
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,38 @@
+plugins {
+    java
+    idea
+	id("org.jetbrains.intellij") version "1.2.0"
+}
+
+group = "com.chylex.intellij.coloredicons"
+version = "1.3"
+
+repositories {
+    mavenCentral()
+}
+
+intellij {
+    version.set("2021.2.2")
+	updateSinceUntilBuild.set(false)
+}
+
+java {
+    toolchain.languageVersion.set(JavaLanguageVersion.of(11))
+}
+
+sourceSets {
+    main {
+        java.setSrcDirs(setOf(file("src")))
+        resources.setSrcDirs(setOf(file("resources")))
+    }
+
+    create("helpers") {
+        java.setSrcDirs(setOf(file("helpers")))
+        resources.setSrcDirs(sourceSets.main.get().resources.srcDirs)
+    }
+}
+
+dependencies {
+    "helpersImplementation"("commons-io:commons-io:2.11.0")
+    "helpersImplementation"("org.apache.commons:commons-compress:1.21")
+}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..7454180
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..69a9715
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..744e882
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/helpers/com/chylex/intellij/coloredicons/FixSVGs.java b/helpers/com/chylex/intellij/coloredicons/FixSVGs.java
index e119e80..8273eb1 100644
--- a/helpers/com/chylex/intellij/coloredicons/FixSVGs.java
+++ b/helpers/com/chylex/intellij/coloredicons/FixSVGs.java
@@ -1,5 +1,4 @@
 package com.chylex.intellij.coloredicons;
-import com.google.common.collect.ImmutableMap;
 import org.apache.commons.io.FileUtils;
 import java.io.File;
 import java.io.IOException;
@@ -9,17 +8,18 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import static java.util.Map.entry;
 
 final class FixSVGs{
 	public static void main(final String[] args) throws IOException{
 		final Charset charset = StandardCharsets.UTF_8;
 		final String encoding = charset.name();
 		
-		final Map<String, String> svgRemapping = ImmutableMap.<String, String>builder()
-			.put("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 13 13\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"13\" height=\"13\" viewBox=\"0 0 13 13\">")
-			.put("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 16 16\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\">")
-			.put("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 12 12\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"12\" height=\"12\" viewBox=\"0 0 12 12\">")
-			.build();
+		final Map<String, String> svgRemapping = Map.ofEntries(
+			entry("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 13 13\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"13\" height=\"13\" viewBox=\"0 0 13 13\">"),
+			entry("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 16 16\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\">"),
+			entry("<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 12 12\"", "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"12\" height=\"12\" viewBox=\"0 0 12 12\">")
+		);
 		
 		final Set<String> svgValidTags = new HashSet<>(svgRemapping.values());
 		
diff --git a/helpers/com/chylex/intellij/coloredicons/GrabIconsFromInstalledIDEs.java b/helpers/com/chylex/intellij/coloredicons/GrabIconsFromInstalledIDEs.java
index 7d9c312..26f98aa 100644
--- a/helpers/com/chylex/intellij/coloredicons/GrabIconsFromInstalledIDEs.java
+++ b/helpers/com/chylex/intellij/coloredicons/GrabIconsFromInstalledIDEs.java
@@ -1,5 +1,4 @@
 package com.chylex.intellij.coloredicons;
-import com.google.common.collect.ImmutableList;
 import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
 import org.apache.commons.compress.archivers.zip.ZipFile;
 import org.apache.commons.io.FileUtils;
@@ -22,13 +21,13 @@ import java.util.stream.Stream;
 import static java.util.Comparator.comparing;
 
 final class GrabIconsFromInstalledIDEs{
-	private static final ImmutableList<String> EXPECTED_VIEW_BOXES_LOWERCASE = ImmutableList.of(
+	private static final List<String> EXPECTED_VIEW_BOXES_LOWERCASE = List.of(
 		"viewbox=\"0 0 12 12\"",
 		"viewbox=\"0 0 16 16\"",
 		"viewbox=\"0 0 13 13\""
 	);
 	
-	private static final ImmutableList<String> EXPECTED_COLORS_LOWERCASE = ImmutableList.of(
+	private static final List<String> EXPECTED_COLORS_LOWERCASE = List.of(
 		"#afb1b3",
 		"#6e6e6e"
 	);
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..8647c0c
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1 @@
+rootProject.name = "ColoredIcons"