diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 9577075ee7..513c0c254a 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -78,7 +78,7 @@ The following are a few guidelines on how we suggest you start.
    - EditorConfig by JetBrains (might be already activated)
    - Spek Framework by Spek Team
 3. Import the project (import the build.gradle -> import as project, works more reliably)
-4. Open up a terminal (e.g. Intellij's built in -> usually ALT+F12) and run `./gr build` 
+4. Open up a terminal (e.g. Intellij's built in -> usually ALT+F12) and run `./gradlew build` 
    This builds the project (compile, run tests etc) via gradle (notice, we renamed `gradlew` to `gr`, more convenient no?) 
 5. Read up the [Coding Conventions of Atrium](#coding-conventions) (there are only 5 points).
 
diff --git a/.github/workflows/java-windows.yml b/.github/workflows/java-windows.yml
index 08c5ed83f3..4071cbd02a 100644
--- a/.github/workflows/java-windows.yml
+++ b/.github/workflows/java-windows.yml
@@ -17,7 +17,7 @@ jobs:
                 with:
                     java-version: ${{ matrix.java_version }}
             -   name: Build buildNonDeprecatedJvm
-                run: ./gr buildNonDeprecatedJvm
+                run: ./gradlew buildNonDeprecatedJvm
 
             -   name: build sample atrium+spek project
                 run: samples\jvm\spek\gradlew -p samples\jvm\spek build
diff --git a/.travis.yml b/.travis.yml
index bbc60f7a98..2ee46bd82a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,30 +4,28 @@ language: java
 jdk:
   - openjdk11
 
-before_install: chmod +x gr
-
 install: skip
 
 jobs:
     include:
       - env: MODE=current_11
-        script: ./gr buildAllWithoutJs
+        script: ./gradlew buildAllWithoutJs
         after_success: bash <(curl -s https://codecov.io/bash) -F current
 
       - env: MODE=current_8
         jdk: oraclejdk8
-        script: ./gr buildNonDeprecatedJvm buildAllAndroid
+        script: ./gradlew buildNonDeprecatedJvm buildAllAndroid
         after_success: bash <(curl -s https://codecov.io/bash) -F current
 
       - env: MODE=js
-        script: ./gr buildAllJs
+        script: ./gradlew buildAllJs
 
       - env: MODE=bbc
-        script: ./gr bbcTests
+        script: ./gradlew bbcTests
         after_success: bash <(curl -s https://codecov.io/bash) -F bbc
 
       - env: MODE=bc
-        script: ./gr bcTests
+        script: ./gradlew bcTests
         after_success: bash <(curl -s https://codecov.io/bash) -F bc
 
       - env: MODE=samples
diff --git a/build.gradle b/build.gradle
index ca37dec334..1dce8bafe8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -513,7 +513,7 @@ Release & deploy a commit
     d) commit & push changes
 4. deploy to bintray:
     // export CI=true is a temporary work around till https://youtrack.jetbrains.com/issue/KT-29069 is fixed:
-    a) java -version 2>&1 | grep "version \"9" && CI=true ./gr clean publishToBintray
+    a) java -version 2>&1 | grep "version \"9" && CI=true ./gradlew clean publishToBintray
     b) Log in to bintray, check that there are 926 artifacts and publish them
     c) synchronise to maven central
 5. create release on github
diff --git a/samples/readme-examples/src/main/kotlin/readme/examples/ReadmeSpec.kt b/samples/readme-examples/src/main/kotlin/readme/examples/ReadmeSpec.kt
index 2a8da0de07..6e927dce6e 100644
--- a/samples/readme-examples/src/main/kotlin/readme/examples/ReadmeSpec.kt
+++ b/samples/readme-examples/src/main/kotlin/readme/examples/ReadmeSpec.kt
@@ -32,7 +32,7 @@ import java.util.*
  * The tests and error message are written here and automatically placed into the README via generation.
  * The generation is done during the project built. To trigger it manually, you have to use:
  * ```
- * ./gr :readme-examples:build
+ * ./gradlew :readme-examples:build
  * ```
  *
  * There are currently three kind of tags supported: