diff --git a/.github/Dockerfile_PreBuild b/.github/Dockerfile_PreBuild
index 5efbade6d..0680457b9 100644
--- a/.github/Dockerfile_PreBuild
+++ b/.github/Dockerfile_PreBuild
@@ -1,4 +1,4 @@
-FROM jetty:9.4-jre11-slim
+FROM jetty:9.4.49-jre11-alpine
 
 # Copy OBP source code
 # Copy build artifact (.war file) into jetty from 'maven' stage.
diff --git a/.github/Dockerfile_PreBuild_OC b/.github/Dockerfile_PreBuild_OC
index 170629049..7f39f822b 100644
--- a/.github/Dockerfile_PreBuild_OC
+++ b/.github/Dockerfile_PreBuild_OC
@@ -1,5 +1,4 @@
-FROM jetty:9.4-jre11-slim
-
+FROM jetty:9.4.49-jre11-alpine
 # Copy build artifact (.war file) into jetty from 'maven' stage.
 COPY /obp-api/target/obp-api-1.*.war /var/lib/jetty/webapps/ROOT.war
 USER root