diff --git a/.semaphore/semaphore.yml b/.semaphore/semaphore.yml
index a0935cc..f245896 100644
--- a/.semaphore/semaphore.yml
+++ b/.semaphore/semaphore.yml
@@ -41,7 +41,7 @@ blocks:
               values: [ "14", "16", "18" ]
           commands:
             - sem-version node $NODE_VERSION
-            - npm run test
+            - npx jest
         - name: Prettier
           commands:
             - rm -r node_modules/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17225bc..d51ab58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
 # Next version
 + First commit
 + Add code
++ Fix jest watch for Semaphore
\ No newline at end of file
diff --git a/README.md b/README.md
index 0e2e52d..b25abd4 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@ Concatenate
 | CI / CD | Status |
 | ------- | ------ |
 | NPM | TBD |
-| Semaphore CI | TBD |
+| Semaphore CI | [![Build Status](https://sineverba.semaphoreci.com/badges/npm-pkg-concatenate/branches/master.svg?style=shields&key=39b8f9bd-3213-4836-a1b3-ca116c91a9e9)](https://sineverba.semaphoreci.com/projects/npm-pkg-concatenate) |
 | Circle CI | TBD |
-| Coverall | TBD |
+| Coverall | [![Coverage Status](https://coveralls.io/repos/github/sineverba/npm-pkg-concatenate/badge.svg?branch=master)](https://coveralls.io/github/sineverba/npm-pkg-concatenate?branch=master) |
 | SonarCloud | TBD |
 
 `concatenate` returns a single string starting from two strings. If first (or second) string are empty, it returns the other one.