diff --git a/LICENSE-binary b/LICENSE-binary
index 3789df45fd771..8d3836979bf09 100644
--- a/LICENSE-binary
+++ b/LICENSE-binary
@@ -605,9 +605,9 @@ com.microsoft.azure:azure-cosmosdb-gateway:2.4.5
 com.microsoft.azure:azure-data-lake-store-sdk:2.3.9
 com.microsoft.azure:azure-keyvault-core:1.0.0
 com.microsoft.sqlserver:mssql-jdbc:6.2.1.jre7
-org.bouncycastle:bcpkix-jdk18on:1.82
-org.bouncycastle:bcprov-jdk18on:1.82
-org.bouncycastle:bcutil-jdk18on:1.82
+org.bouncycastle:bcpkix-jdk18on:1.84
+org.bouncycastle:bcprov-jdk18on:1.84
+org.bouncycastle:bcutil-jdk18on:1.84
 org.checkerframework:checker-qual:3.8.0
 org.codehaus.mojo:animal-sniffer-annotations:1.24
 org.jruby.jcodings:jcodings:1.0.13
diff --git a/hadoop-cloud-storage-project/hadoop-cos/src/site/markdown/cloud-storage/index.md b/hadoop-cloud-storage-project/hadoop-cos/src/site/markdown/cloud-storage/index.md
index fe1269a3d9eef..0a6ce56e1fe40 100644
--- a/hadoop-cloud-storage-project/hadoop-cos/src/site/markdown/cloud-storage/index.md
+++ b/hadoop-cloud-storage-project/hadoop-cos/src/site/markdown/cloud-storage/index.md
@@ -86,7 +86,7 @@ Linux kernel 2.6+
 - joda-time (version 2.9.9 recommended)
 - httpClient (version 4.5.1 or later recommended)
 - Jackson: jackson-core, jackson-databind, jackson-annotations (version 2.9.8 or later)
-- bcprov-jdk18on (version 1.82 recommended)
+- bcprov-jdk18on (version 1.84 recommended)
 
 
 #### Configure Properties
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index 119a2452cea24..820c9395397b3 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -120,7 +120,7 @@
     <guava.version>33.4.8-jre</guava.version>
     <guice.version>5.1.0</guice.version>
 
-    <bouncycastle.version>1.82</bouncycastle.version>
+    <bouncycastle.version>1.84</bouncycastle.version>
 
     <!-- Required for testing LDAP integration -->
     <apacheds.version>2.0.0.AM27</apacheds.version>