diff --git a/pgp-cert-d-java/build.gradle b/pgp-cert-d-java/build.gradle
index d59867d..19f1329 100644
--- a/pgp-cert-d-java/build.gradle
+++ b/pgp-cert-d-java/build.gradle
@@ -32,7 +32,7 @@ dependencies {
     testImplementation project(":pgp-cert-d-java-jdbc-sqlite-lookup")
 
     testImplementation "org.bouncycastle:bcprov-jdk15to18:$bouncycastleVersion"
-    testImplementation "org.bouncycastle:bcpg-jdk15to18:$bouncycastleVersion"
+    testImplementation "org.bouncycastle:bcpg-jdk15to18:$bouncyPgVersion"
 }
 
 animalsniffer {
diff --git a/version.gradle b/version.gradle
index ce74cbd..1a47bb2 100644
--- a/version.gradle
+++ b/version.gradle
@@ -9,7 +9,8 @@ allprojects {
         minAndroidSdk = 26
         animalsnifferSignatureVersion = "$minAndroidSdk:8.0.0_r2"
         javaSourceCompatibility = 1.8
-        bouncycastleVersion = '1.71'
+        bouncycastleVersion = '1.72'
+        bouncyPgVersion = '1.72.3'
         slf4jVersion = '1.7.36'
         logbackVersion = '1.2.11'
         junitVersion = '5.8.2'