diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b3c840ca..851425b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,8 @@
 image: openjdk:8-jdk
 
 variables:
-  ANDROID_TARGET_SDK: "25"
-  ANDROID_BUILD_TOOLS: "25.0.3"
+  ANDROID_TARGET_SDK: "26"
+  ANDROID_BUILD_TOOLS: "26.0.1"
   ANDROID_SDK_TOOLS: "25.2.5"
 
 before_script:
diff --git a/app/build.gradle b/app/build.gradle
index cc50d899..69de9530 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.3"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
 
     defaultConfig {
         vectorDrawables.useSupportLibrary = true
         applicationId "gr.thmmy.mthmmy"
         minSdkVersion 19
-        targetSdkVersion 25
+        targetSdkVersion 26
         versionCode 8
         versionName "1.3.0"
         archivesBaseName = "mTHMMY-v$versionName"
@@ -28,11 +28,11 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support:design:25.3.1'
-    compile 'com.android.support:support-v4:25.3.1'
-    compile 'com.android.support:cardview-v7:25.3.1'
-    compile 'com.android.support:recyclerview-v7:25.3.1'
+    compile 'com.android.support:appcompat-v7:26.0.0'
+    compile 'com.android.support:design:26.0.0'
+    compile 'com.android.support:support-v4:26.0.0'
+    compile 'com.android.support:cardview-v7:26.0.0'
+    compile 'com.android.support:recyclerview-v7:26.0.0'
     compile 'com.google.firebase:firebase-crash:10.2.6'
     compile 'com.squareup.okhttp3:okhttp:3.8.0'
     compile 'com.squareup.picasso:picasso:2.5.2'
diff --git a/build.gradle b/build.gradle
index d786c62a..41691e53 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,6 +17,7 @@ allprojects {
     repositories {
         jcenter()
         maven { url "https://jitpack.io" }
+        maven { url "https://maven.google.com" }
     }
 }