diff --git a/.github/workflows/run-idea-tests.yaml b/.github/workflows/run-idea-tests.yaml
index 87989598..363ae4e9 100644
--- a/.github/workflows/run-idea-tests.yaml
+++ b/.github/workflows/run-idea-tests.yaml
@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
       matrix:
         ide: [ IC, IU, AI ]
-        build: [ 242, 243 ]
+        build: [ 242 ]
     name: ${{ format('{0}-{1}', matrix.ide, matrix.build) }}
     runs-on: ubuntu-latest
     steps:
diff --git a/kmp-nativecoroutines-idea-plugin/build.gradle.kts b/kmp-nativecoroutines-idea-plugin/build.gradle.kts
index 032bacd7..ca47ea5e 100644
--- a/kmp-nativecoroutines-idea-plugin/build.gradle.kts
+++ b/kmp-nativecoroutines-idea-plugin/build.gradle.kts
@@ -53,7 +53,7 @@ intellijPlatform {
 
         ideaVersion {
             sinceBuild = "242"
-            untilBuild = "243.*"
+            untilBuild = "242.*"
         }
 
         vendor {