diff --git a/.github/template-cleanup/gradle.properties b/.github/template-cleanup/gradle.properties
index 17c8a87..1a15114 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 = 211
-pluginUntilBuild = 213.*
+pluginSinceBuild = 212
+pluginUntilBuild = 221.*
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties
 platformType = IC
-platformVersion = 2021.1.3
+platformVersion = 2021.2.4
 
 # 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 49b504a..4316082 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@
 - Example implementation: Add `TODO()` with a hint to remove stale sample code
 
 ### Changed
+- Update `platformVersion` to `2021.2.4`
+- Change since/until build to `212-221.*` (2021.2 - 2022.1)
 - Dependencies - upgrade `org.jetbrains.kotlin.jvm` to `1.6.21`
 - Dependencies - upgrade `org.jetbrains.intellij` to `1.5.3`
 - Dependencies (GitHub Actions) - upgrade `actions/checkout` to `3`
diff --git a/gradle.properties b/gradle.properties
index 5670186..7395e37 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,12 +8,12 @@ pluginVersion = 1.1.2
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild = 211
-pluginUntilBuild = 213.*
+pluginSinceBuild = 212
+pluginUntilBuild = 221.*
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties
 platformType = IC
-platformVersion = 2021.1.3
+platformVersion = 2021.2.4
 
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html
 # Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22