diff --git a/build.gradle b/build.gradle
index c327e0a938..737ab6811e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,6 +35,7 @@ buildscript {
         jaxb_version = '2.3.9'
         spring_version = '6.2.4'
         bouncycastle_version = '1.78'
+        bc_fips = '2.0.0'
 
         if (buildVersionQualifier) {
             opensearch_build += "-${buildVersionQualifier}"
@@ -585,7 +586,7 @@ dependencies {
     implementation "com.google.guava:guava:${guava_version}"
     implementation 'org.greenrobot:eventbus-java:3.3.1'
     implementation 'commons-cli:commons-cli:1.9.0'
-    implementation "org.bouncycastle:bcprov-jdk18on:${bouncycastle_version}"
+    implementation "org.bouncycastle:bc-fips:${bc_fips}"
     implementation 'org.ldaptive:ldaptive:1.2.3'
     implementation 'com.nimbusds:nimbus-jose-jwt:9.48'
     implementation 'com.rfksystems:blake2b:2.0.0'
@@ -703,6 +704,7 @@ dependencies {
     }
     testImplementation "org.bouncycastle:bcpkix-jdk18on:${bouncycastle_version}"
     testImplementation "org.bouncycastle:bcutil-jdk18on:${bouncycastle_version}"
+    testImplementation "org.bouncycastle:bcprov-jdk18on:${bouncycastle_version}"
 
     // Only osx-x86_64, osx-aarch_64, linux-x86_64, linux-aarch_64, windows-x86_64 are available
     if (osdetector.classifier in ["osx-x86_64", "osx-aarch_64", "linux-x86_64", "linux-aarch_64", "windows-x86_64"]) {
@@ -744,6 +746,7 @@ dependencies {
     integrationTestImplementation 'org.hamcrest:hamcrest:2.2'
     integrationTestImplementation "org.bouncycastle:bcpkix-jdk18on:${bouncycastle_version}"
     integrationTestImplementation "org.bouncycastle:bcutil-jdk18on:${bouncycastle_version}"
+    integrationTestImplementation "org.bouncycastle:bcprov-jdk18on:${bouncycastle_version}"
     integrationTestImplementation('org.awaitility:awaitility:4.3.0') {
         exclude(group: 'org.hamcrest', module: 'hamcrest')
     }