diff --git a/smack-experimental/build.gradle b/smack-experimental/build.gradle
index 2f4d4e0d5..0e902139c 100644
--- a/smack-experimental/build.gradle
+++ b/smack-experimental/build.gradle
@@ -11,5 +11,5 @@ dependencies {
 	testCompile project(path: ":smack-core", configuration: "archives")
 	testCompile project(path: ":smack-extensions", configuration: "testRuntime")
 
-	compile "org.bouncycastle:bcprov-jdk15on:1.57"
+	compile "org.bouncycastle:bcprov-jdk15on:$bouncyCastleVersion"
 }
diff --git a/smack-omemo/build.gradle b/smack-omemo/build.gradle
index e4279f74a..354c3db20 100644
--- a/smack-omemo/build.gradle
+++ b/smack-omemo/build.gradle
@@ -3,7 +3,7 @@ dependencies {
 	compile project(":smack-extensions")
 	compile project(":smack-experimental")
 
-	compile "org.bouncycastle:bcprov-jdk15on:1.60"
+	compile "org.bouncycastle:bcprov-jdk15on:$bouncyCastleVersion"
 
 	testCompile project(path: ":smack-core", configuration: "testRuntime")
 }
diff --git a/version.gradle b/version.gradle
index 28e90a9a4..2bb14c10d 100644
--- a/version.gradle
+++ b/version.gradle
@@ -10,6 +10,7 @@ allprojects {
 		// - https://issues.igniterealtime.org/browse/SMACK-858
 		jxmppVersion = '0.7.0-alpha5'
 		miniDnsVersion = '0.4.0-alpha3'
+		bouncyCastleVersion = '1.61'
 		smackMinAndroidSdk = 19
 	}
 }