diff --git a/benchmark/guomi/enclave/pom.xml b/benchmark/guomi/enclave/pom.xml
index d971f99..45a73b8 100644
--- a/benchmark/guomi/enclave/pom.xml
+++ b/benchmark/guomi/enclave/pom.xml
@@ -179,7 +179,7 @@
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
+            <artifactId>bcprov-jdk18on</artifactId>
         </dependency>
         <dependency>
             <groupId>com.google.auto.service</groupId>
diff --git a/benchmark/guomi/pom.xml b/benchmark/guomi/pom.xml
index 38fb8b9..8888df7 100644
--- a/benchmark/guomi/pom.xml
+++ b/benchmark/guomi/pom.xml
@@ -66,8 +66,8 @@
             </dependency>
             <dependency>
                 <groupId>org.bouncycastle</groupId>
-                <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.67</version>
+                <artifactId>bcprov-jdk18on</artifactId>
+                <version>1.80</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>
diff --git a/samples/springboot/enclave/pom.xml b/samples/springboot/enclave/pom.xml
index d57bd5b..29c82eb 100644
--- a/samples/springboot/enclave/pom.xml
+++ b/samples/springboot/enclave/pom.xml
@@ -176,7 +176,7 @@
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
+            <artifactId>bcprov-jdk18on</artifactId>
         </dependency>
         <dependency>
             <groupId>com.google.auto.service</groupId>
diff --git a/samples/springboot/pom.xml b/samples/springboot/pom.xml
index b5c6a59..cb5e88e 100644
--- a/samples/springboot/pom.xml
+++ b/samples/springboot/pom.xml
@@ -71,8 +71,8 @@
             </dependency>
             <dependency>
                 <groupId>org.bouncycastle</groupId>
-                <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.67</version>
+                <artifactId>bcprov-jdk18on</artifactId>
+                <version>1.80</version>
             </dependency>
             <dependency>
                 <groupId>org.junit.jupiter</groupId>
diff --git a/test/enclave/pom.xml b/test/enclave/pom.xml
index 357ca34..de2f582 100644
--- a/test/enclave/pom.xml
+++ b/test/enclave/pom.xml
@@ -196,7 +196,7 @@
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
+            <artifactId>bcprov-jdk18on</artifactId>
         </dependency>
         <dependency>
             <groupId>com.google.auto.service</groupId>
diff --git a/test/pom.xml b/test/pom.xml
index 79cb942..c55ffff 100644
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -68,8 +68,8 @@
             </dependency>
             <dependency>
                 <groupId>org.bouncycastle</groupId>
-                <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.67</version>
+                <artifactId>bcprov-jdk18on</artifactId>
+                <version>1.80</version>
             </dependency>
             <dependency>
                 <groupId>org.junit.jupiter</groupId>