diff --git a/.github/template-cleanup/gradle.properties b/.github/template-cleanup/gradle.properties
index 288243e..bee1c0c 100644
--- a/.github/template-cleanup/gradle.properties
+++ b/.github/template-cleanup/gradle.properties
@@ -8,12 +8,12 @@ pluginVersion = 0.0.1
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild = 203
-pluginUntilBuild = 213.*
+pluginSinceBuild = 211
+pluginUntilBuild = 221.*
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties
 platformType = IC
-platformVersion = 2020.3.4
+platformVersion = 2021.1.3
 
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b279e5e..b010ed4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,14 +3,17 @@
 # IntelliJ Platform Plugin Template Changelog
 
 ## [Unreleased]
+### Changed
+- Update `platformVersion` to `2021.1.3` for compatibility with Apple M1
+- Change since/until build to `211-221.*`
 
 ## [1.1.1]
-### Changed
-- GitHub Actions - fixed duplicated `.zip` extension in artifact file's name of the build flow
-- Upgrade Gradle Wrapper to `7.3.3`
-- Dependencies - upgrade `org.jetbrains.intellij` to `1.3.1`
-- Dependencies - upgrade `org.jetbrains.kotlin.jvm` to `1.6.10`
-- Dependencies (GitHub Actions) - upgrade `JetBrains/qodana-action` to `4.2.3`
+### Changed
+- GitHub Actions - fixed duplicated `.zip` extension in artifact file's name of the build flow
+- Upgrade Gradle Wrapper to `7.3.3`
+- Dependencies - upgrade `org.jetbrains.intellij` to `1.3.1`
+- Dependencies - upgrade `org.jetbrains.kotlin.jvm` to `1.6.10`
+- Dependencies (GitHub Actions) - upgrade `JetBrains/qodana-action` to `4.2.3`
 - Dependencies (GitHub Actions) - upgrade `actions/cache` to `v2.1.7`
 
 ## [1.1.0]
@@ -304,4 +307,4 @@
 ### Added
 - Initial project scaffold
 - GitHub Actions to automate testing and deployment
-- Kotlin support
\ No newline at end of file
+- Kotlin support
diff --git a/gradle.properties b/gradle.properties
index 61ce1c9..c9e7123 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,12 +8,12 @@ pluginVersion = 1.1.1
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild = 203
-pluginUntilBuild = 213.*
+pluginSinceBuild = 211
+pluginUntilBuild = 221.*
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties
 platformType = IC
-platformVersion = 2020.3.4
+platformVersion = 2021.1.3
 
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22