diff --git a/java-showcase/gapic-showcase/pom.xml b/java-showcase/gapic-showcase/pom.xml
index e36caea4a8a5..d4cfcfa4de22 100644
--- a/java-showcase/gapic-showcase/pom.xml
+++ b/java-showcase/gapic-showcase/pom.xml
@@ -17,7 +17,7 @@
   </parent>
 
   <properties>
-    <gapic-showcase.version>0.41.0</gapic-showcase.version>
+    <gapic-showcase.version>0.39.0</gapic-showcase.version>
     <!-- This is the last version supporting slf4j 1.x, do not upgrade -->
     <slf4j1-logback.version>1.2.13</slf4j1-logback.version>
     <slf4j2-logback.version>1.5.25</slf4j2-logback.version>
diff --git a/librarian.yaml b/librarian.yaml
index 5b39c7b8778a..4f3116bd9357 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -19,8 +19,8 @@ sources:
     commit: 4679f0c8e33ba14d27612bd607649e1f867a881c
     sha256: 35131934f78f0eb4499feb17845ca0c060d3cfc506e0d1d626fbb1bce4d70e23
   showcase:
-    commit: f97fd357084b9e85ef5dd02ba084551c3f85191c
-    sha256: 44aabfbf5d976f3c546366a284dc9f74e4a391fa56dc6e66b39eccb3c4c48e18
+    commit: 328bec7ce4c1fb77c37fdf1868d0506bc02a70fc
+    sha256: 8df187486e37edf5a78c1646c859c311bc452871b9ba4641d93149d3c53450a2
 tools:
   maven:
     - name: google-java-format
diff --git a/sdk-platform-java/java-showcase-3.21.0/gapic-showcase/pom.xml b/sdk-platform-java/java-showcase-3.21.0/gapic-showcase/pom.xml
index 5a0021f50262..b89fa9b5e6bb 100644
--- a/sdk-platform-java/java-showcase-3.21.0/gapic-showcase/pom.xml
+++ b/sdk-platform-java/java-showcase-3.21.0/gapic-showcase/pom.xml
@@ -17,7 +17,7 @@
   </parent>
 
   <properties>
-    <gapic-showcase.version>0.41.0</gapic-showcase.version>
+    <gapic-showcase.version>0.36.2</gapic-showcase.version>
     <!-- This is the last version supporting slf4j 1.x, do not upgrade -->
     <slf4j1-logback.version>1.2.13</slf4j1-logback.version>
     <slf4j2-logback.version>1.5.25</slf4j2-logback.version>
diff --git a/sdk-platform-java/java-showcase-3.25.8/gapic-showcase/pom.xml b/sdk-platform-java/java-showcase-3.25.8/gapic-showcase/pom.xml
index 4de9528508de..1d149aa8ee2c 100644
--- a/sdk-platform-java/java-showcase-3.25.8/gapic-showcase/pom.xml
+++ b/sdk-platform-java/java-showcase-3.25.8/gapic-showcase/pom.xml
@@ -17,7 +17,7 @@
   </parent>
 
   <properties>
-    <gapic-showcase.version>0.41.0</gapic-showcase.version>
+    <gapic-showcase.version>0.36.2</gapic-showcase.version>
     <!-- This is the last version supporting slf4j 1.x, do not upgrade -->
     <slf4j1-logback.version>1.2.13</slf4j1-logback.version>
     <slf4j2-logback.version>1.5.25</slf4j2-logback.version>