diff --git a/README.md b/README.md
index 5c874b9dc..ca2e46ed0 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Add this to your pom.xml file:
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.54</version>
+            <version>1.55</version>
         </dependency>
 
 
diff --git a/openpdf/pom.xml b/openpdf/pom.xml
index 9f8c9da42..5bd4f56ed 100644
--- a/openpdf/pom.xml
+++ b/openpdf/pom.xml
@@ -15,12 +15,12 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.54</version>
+            <version>1.55</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.54</version>
+            <version>1.55</version>
         </dependency>
     </dependencies>