diff --git a/dependencies.gradle b/dependencies.gradle
index 6806a42135c..5dcdb8ba488 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -25,7 +25,7 @@ depVersions = [
     arquillianCubeDocker: "1.18.2",
     arquillianJunit: "1.6.0.Final",
     bcFips: "1.0.2",
-    bouncycastle: "1.69",
+    bouncycastle: "1.56",
     commonsCli: "1.4",
     commonsCodec: "1.14",
     commonsCollections4: "4.1",
@@ -59,7 +59,7 @@ depVersions = [
     junit: "4.12",
     junitFoundation: "11.0.0",
     kerby: "1.1.1",
-    log4j: "1.2.27",
+    log4j: "1.2.17",
     lombok: "1.18.20",
     lz4: "1.3.0",
     mockito: "3.0.0",
@@ -70,7 +70,7 @@ depVersions = [
     protobuf: "3.14.0",
     reflections: "0.9.11",
     rocksDb: "6.22.1.1",
-    slf4j: "1.7.30",
+    slf4j: "1.7.32",
     snakeyaml: "1.27",
     spotbugsAnnotations: "3.1.8",
     protocGenGrpcJava: "1.12.0",