diff --git a/README.md b/README.md
index 45fb689..bc9c638 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ If you are using `BlurTransformation`.
 android {
     ...
     defaultConfig {
-        ...
+        // Warning:Renderscript support mode is not currently supported with renderscript target 21+
         renderscriptTargetApi 23
         renderscriptSupportModeEnabled true
     }
diff --git a/example/build.gradle b/example/build.gradle
index 751ace9..eca4cc8 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -9,6 +9,8 @@ android {
         targetSdkVersion TARGET_SDK_VERSION as int
         versionCode VERSION_CODE as int
         versionName VERSION_NAME
+
+        // Warning:Renderscript support mode is not currently supported with renderscript target 21+
         renderscriptTargetApi RENDERSCRIPT_TARGET_API as int
         renderscriptSupportModeEnabled true
     }
diff --git a/gradle.properties b/gradle.properties
index d26582e..55baf38 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ ARTIFACT_ID=glide-transformations
 COMPILE_SDK_VERSION=23
 BUILD_TOOLS_VERSION=23.0.2
 TARGET_SDK_VERSION=23
-RENDERSCRIPT_TARGET_API=23
+RENDERSCRIPT_TARGET_API=20
 MIN_SDK_VERSION=11
 
 POM_DESCRIPTION=which provides simple Tranformations to Glide
diff --git a/transformations/build.gradle b/transformations/build.gradle
index 7bb4bd1..f430faf 100644
--- a/transformations/build.gradle
+++ b/transformations/build.gradle
@@ -9,6 +9,8 @@ android {
         targetSdkVersion TARGET_SDK_VERSION as int
         versionCode VERSION_CODE as int
         versionName VERSION_NAME
+
+        // Warning:Renderscript support mode is not currently supported with renderscript target 21+
         renderscriptTargetApi RENDERSCRIPT_TARGET_API as int
         renderscriptSupportModeEnabled true
     }