diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5d7e98d5..aeaaff724 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
 
 ### Removed
 
+- Support for platform version 2024.3. (#8644)
+
 ### Fixed
 
 - Fixed crash when using 3rd party loggers that don't implement `setLevel`. (#8631)
diff --git a/gradle.properties b/gradle.properties
index 7ea658cd0..4fe66554c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@
 ideaVersion=2025.2.1.5
 dartPluginVersion= 252.25557.23
 # Also update the versions for verify checks in tool/github.sh.
-sinceBuild=243
+sinceBuild=251
 untilBuild=253.*
 javaVersion=21
 kotlin.stdlib.default.dependency=false
diff --git a/tool/github.sh b/tool/github.sh
index 47b154944..43205870b 100755
--- a/tool/github.sh
+++ b/tool/github.sh
@@ -83,7 +83,7 @@ elif [ "VERIFY_BOT" = "$BOT" ] ; then
   df -h
   ./gradlew verifyPluginSignature
 
-  for version in 243 251 252; do
+  for version in 251 252; do
     echo "Check on space before verifyPlugin for $version\n"
     df -h
     ./gradlew verifyPlugin -PsingleIdeVersion=$version