diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..dbd14f2
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,7 @@
+rootProject.name = 'gradle-credentials-plugin'
+
+buildCache {
+  local {
+    enabled = true
+  }
+}
diff --git a/src/main/java/nu/studer/gradle/.DS_Store b/src/main/java/nu/studer/gradle/.DS_Store
new file mode 100644
index 0000000..373f244
Binary files /dev/null and b/src/main/java/nu/studer/gradle/.DS_Store differ
diff --git a/src/main/groovy/nu/studer/gradle/credentials/AddCredentialsTask.java b/src/main/java/nu/studer/gradle/credentials/AddCredentialsTask.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/AddCredentialsTask.java
rename to src/main/java/nu/studer/gradle/credentials/AddCredentialsTask.java
diff --git a/src/main/groovy/nu/studer/gradle/credentials/CredentialsPlugin.java b/src/main/java/nu/studer/gradle/credentials/CredentialsPlugin.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/CredentialsPlugin.java
rename to src/main/java/nu/studer/gradle/credentials/CredentialsPlugin.java
diff --git a/src/main/groovy/nu/studer/gradle/credentials/RemoveCredentialsTask.java b/src/main/java/nu/studer/gradle/credentials/RemoveCredentialsTask.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/RemoveCredentialsTask.java
rename to src/main/java/nu/studer/gradle/credentials/RemoveCredentialsTask.java
diff --git a/src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsContainer.groovy b/src/main/java/nu/studer/gradle/credentials/domain/CredentialsContainer.groovy
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsContainer.groovy
rename to src/main/java/nu/studer/gradle/credentials/domain/CredentialsContainer.groovy
diff --git a/src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsEncryptor.java b/src/main/java/nu/studer/gradle/credentials/domain/CredentialsEncryptor.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsEncryptor.java
rename to src/main/java/nu/studer/gradle/credentials/domain/CredentialsEncryptor.java
diff --git a/src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsPersistenceManager.java b/src/main/java/nu/studer/gradle/credentials/domain/CredentialsPersistenceManager.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/domain/CredentialsPersistenceManager.java
rename to src/main/java/nu/studer/gradle/credentials/domain/CredentialsPersistenceManager.java
diff --git a/src/main/groovy/nu/studer/gradle/credentials/domain/Encryption.java b/src/main/java/nu/studer/gradle/credentials/domain/Encryption.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/credentials/domain/Encryption.java
rename to src/main/java/nu/studer/gradle/credentials/domain/Encryption.java
diff --git a/src/main/java/nu/studer/gradle/util/.DS_Store b/src/main/java/nu/studer/gradle/util/.DS_Store
new file mode 100644
index 0000000..5008ddf
Binary files /dev/null and b/src/main/java/nu/studer/gradle/util/.DS_Store differ
diff --git a/src/main/groovy/nu/studer/gradle/util/AlwaysFalseSpec.java b/src/main/java/nu/studer/gradle/util/AlwaysFalseSpec.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/util/AlwaysFalseSpec.java
rename to src/main/java/nu/studer/gradle/util/AlwaysFalseSpec.java
diff --git a/src/main/groovy/nu/studer/gradle/util/Base64.java b/src/main/java/nu/studer/gradle/util/Base64.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/util/Base64.java
rename to src/main/java/nu/studer/gradle/util/Base64.java
diff --git a/src/main/groovy/nu/studer/gradle/util/MD5.java b/src/main/java/nu/studer/gradle/util/MD5.java
similarity index 100%
rename from src/main/groovy/nu/studer/gradle/util/MD5.java
rename to src/main/java/nu/studer/gradle/util/MD5.java