diff --git a/build.gradle b/build.gradle
index 2f086f6..0a75645 100644
--- a/build.gradle
+++ b/build.gradle
@@ -72,7 +72,7 @@ opensearchplugin {
 
 dependencies {
   api "com.github.luben:zstd-jni:1.5.5-5"
-  api "com.intel.qat:qat-java:2.2.1"
+  api "com.intel.qat:qat-java:1.2.0"
 }
 
 allprojects {
diff --git a/licenses/qat-java-1.2.0.jar.sha1 b/licenses/qat-java-1.2.0.jar.sha1
new file mode 100644
index 0000000..aa901aa
--- /dev/null
+++ b/licenses/qat-java-1.2.0.jar.sha1
@@ -0,0 +1 @@
+a99c4c854daf9ae0ff2b90e9ae9bef00f231c2f6
\ No newline at end of file
diff --git a/licenses/qat-java-2.2.1.jar.sha1 b/licenses/qat-java-2.2.1.jar.sha1
deleted file mode 100644
index 9b3f0fa..0000000
--- a/licenses/qat-java-2.2.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-8206abc2459c218ba4003eeac4e977d69b487e90
\ No newline at end of file