diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 161f2c80..1a9978c7 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,9 +1,6 @@
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <option name="LINE_SEPARATOR" value="&#10;" />
-    <AndroidXmlCodeStyleSettings>
-      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
-    </AndroidXmlCodeStyleSettings>
     <JavaCodeStyleSettings>
       <option name="FIELD_NAME_PREFIX" value="m" />
       <option name="STATIC_FIELD_NAME_PREFIX" value="s" />
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4a5cbfb..3cc0873e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Change Log
-## [3.2.0] - 2019-09-10
-- Fix #11: Re-enabling FAB size 
+## [3.1.1] - 2019-09-10
+- Fix #11: Re-enabling FAB size
+- Revert `com.google.android.material` to `1.0.0` (version `1.1.0-beta01` can still be used, just specify this version explicitly on your build.gradle file).
 
 ## [3.1.0] - 2019-09-10
 - fixed #113: Main FAB opened image is not centered when using Theme.MaterialComponents
diff --git a/README.md b/README.md
index 85d80922..5966aa28 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ The library is available on Jcenter so no additonal repository is required.
 
 Dependencies entry (latest version on Jcenter [![Maven metadata URI](https://img.shields.io/maven-metadata/v/http/jcenter.bintray.com/com/leinardi/android/speed-dial/maven-metadata.xml.svg?style=flat)](https://jcenter.bintray.com/com/leinardi/android/speed-dial/maven-metadata.xml)):
 ```groovy
-implementation "com.leinardi.android:speed-dial:3.1.0"
+implementation "com.leinardi.android:speed-dial:3.1.1"
 ```
 #### Snapshots (development branch)
 You can use JitPack to test the latest `master` (remember that `master` is the development branch and can be unstable or completely broken).
diff --git a/dependencies.gradle b/dependencies.gradle
index 1b1146bc..d3062351 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -23,7 +23,7 @@ def versions = [:]
 versions.android_checkstyle_plugin = "1.1.0"
 versions.android_gradle_plugin = "3.5.0"
 versions.android_maven_gradle_plugin = "2.1"
-versions.android_material = "1.1.0-alpha10"
+versions.android_material = "1.0.0"
 versions.androidx_appcompat = "1.1.0"
 versions.androidx_cardview = "1.0.0"
 versions.androidx_constraintlayout = "1.1.3"
@@ -49,7 +49,7 @@ build_versions.min_sdk = 14
 build_versions.target_sdk = 29
 build_versions.java_version = JavaVersion.VERSION_1_7
 build_versions.version_code = commitCount.isNumber() ? commitCount as int : 0
-build_versions.version_name = "3.1.0"
+build_versions.version_name = "3.1.1"
 ext.build_versions = build_versions
 
 
diff --git a/sample/build.gradle b/sample/build.gradle
index 72b14ddb..794a6bb2 100755
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -71,9 +71,9 @@ android {
 dependencies {
     implementation project(':library')
 //    implementation "com.leinardi.android:speed-dial:${build_versions.version_name}"
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin"
     implementation "androidx.appcompat:appcompat:$versions.androidx_appcompat"
     implementation "androidx.recyclerview:recyclerview:$versions.androidx_recyclerview"
     implementation "androidx.constraintlayout:constraintlayout:$versions.androidx_constraintlayout"
-    implementation "com.google.android.material:material:$versions.material"
+    implementation "com.google.android.material:material:1.1.0-beta01"
 }