diff --git a/pom.xml b/pom.xml
index 415c3379fa48f..1ab2cb58f1f15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -215,7 +215,7 @@
     <maven-antrun.version>3.1.0</maven-antrun.version>
     <commons-crypto.version>1.1.0</commons-crypto.version>
     <commons-cli.version>1.11.0</commons-cli.version>
-    <bouncycastle.version>1.84</bouncycastle.version>
+    <bouncycastle.version>1.85</bouncycastle.version>
     <tink.version>1.23.0</tink.version>
     <!--
       TODO: Once upgrade datasketches to a version that supports Java 25,