diff --git a/sbom/pom.xml b/sbom/pom.xml
index 6d178cd3..0baad32b 100644
--- a/sbom/pom.xml
+++ b/sbom/pom.xml
@@ -104,8 +104,8 @@
         <!-- TLS -->
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.70</version>
+            <artifactId>bcpkix-jdk18on</artifactId>
+            <version>1.83</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp-tls -->
         <dependency>
diff --git a/sdk/pom.xml b/sdk/pom.xml
index 44a36f4c..74005bf1 100644
--- a/sdk/pom.xml
+++ b/sdk/pom.xml
@@ -336,7 +336,7 @@
     </dependency>
     <dependency>
         <groupId>org.bouncycastle</groupId>
-        <artifactId>bcpkix-jdk15on</artifactId>
+        <artifactId>bcpkix-jdk18on</artifactId>
     </dependency>
     <dependency>
         <groupId>com.squareup.okhttp3</groupId>
diff --git a/sdk/templates/pom.mustache b/sdk/templates/pom.mustache
index f7012622..e252f63f 100644
--- a/sdk/templates/pom.mustache
+++ b/sdk/templates/pom.mustache
@@ -304,7 +304,7 @@
     </dependency>
     <dependency>
         <groupId>org.bouncycastle</groupId>
-        <artifactId>bcpkix-jdk15on</artifactId>
+        <artifactId>bcpkix-jdk18on</artifactId>
     </dependency>
     <dependency>
         <groupId>com.squareup.okhttp3</groupId>