diff --git a/sdk-platform-java/java-shared-dependencies/third-party-dependencies/pom.xml b/sdk-platform-java/java-shared-dependencies/third-party-dependencies/pom.xml
index 77da27155848..36809c3d794c 100644
--- a/sdk-platform-java/java-shared-dependencies/third-party-dependencies/pom.xml
+++ b/sdk-platform-java/java-shared-dependencies/third-party-dependencies/pom.xml
@@ -42,6 +42,7 @@
     <flogger.version>0.8</flogger.version>
     <arrow.version>17.0.0</arrow.version>
     <dev.cel.version>0.6.0</dev.cel.version>
+    <bouncycastle.version>1.80</bouncycastle.version>
     <com.google.crypto.tink.version>1.16.0</com.google.crypto.tink.version>
     <io.opentelemetry.contrib.opentelemetry-gcp-resources.version>1.45.0-alpha</io.opentelemetry.contrib.opentelemetry-gcp-resources.version>
     <json.version>20250517</json.version>
@@ -49,6 +50,11 @@
 
   <dependencyManagement>
     <dependencies>
+      <dependency>
+        <groupId>org.bouncycastle</groupId>
+        <artifactId>bcprov-jdk18on</artifactId>
+        <version>${bouncycastle.version}</version>
+      </dependency>
       <dependency>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-memory-core</artifactId>
diff --git a/sdk-platform-java/java-shared-dependencies/upper-bound-check/pom.xml b/sdk-platform-java/java-shared-dependencies/upper-bound-check/pom.xml
index f0cf98e66fd8..a73012834e92 100644
--- a/sdk-platform-java/java-shared-dependencies/upper-bound-check/pom.xml
+++ b/sdk-platform-java/java-shared-dependencies/upper-bound-check/pom.xml
@@ -247,5 +247,9 @@
       <groupId>org.jspecify</groupId>
       <artifactId>jspecify</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.bouncycastle</groupId>
+      <artifactId>bcprov-jdk18on</artifactId>
+    </dependency>
   </dependencies>
 </project>