diff --git a/version.gradle b/version.gradle
index ec1bf828..9e81459f 100644
--- a/version.gradle
+++ b/version.gradle
@@ -8,7 +8,7 @@ allprojects {
         isSnapshot = true
         pgpainlessMinAndroidSdk = 10
         javaSourceCompatibility = 1.8
-        bouncyCastleVersion = '1.77'
+        bouncyCastleVersion = '1.78.1'
         bouncyPgVersion = bouncyCastleVersion
         junitVersion = '5.8.2'
         logbackVersion = '1.2.13'