diff --git a/.github/workflows/get-ci-image-tag.yml b/.github/workflows/get-ci-image-tag.yml
index 1487997d14..691054d027 100644
--- a/.github/workflows/get-ci-image-tag.yml
+++ b/.github/workflows/get-ci-image-tag.yml
@@ -50,7 +50,7 @@ jobs:
           TYPE=${{ inputs.type }}
           if [[ -z "$PLATFORM" ]]; then
               if [[ "$PRODUCT" = "opensearch" ]]; then
-                  PLATFORM="centos7" # Temp measure before centos7 deprecation on opensearch for k-NN
+                  PLATFORM="almalinux8" # Temp measure before centos7 deprecation on opensearch for k-NN
               else
                   PLATFORM="almalinux8"
               fi
diff --git a/docker/ci/get-ci-images.sh b/docker/ci/get-ci-images.sh
index b5376fedef..d898ab3c0c 100755
--- a/docker/ci/get-ci-images.sh
+++ b/docker/ci/get-ci-images.sh
@@ -57,7 +57,7 @@ done
 
 # Validate the required parameters to present
 if [ -z "$PLATFORM" ]; then
-    PLATFORM="rockylinux8"
+    PLATFORM="almalinux8"
 fi
 
 if [ -z "$USAGE" ]; then