diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index df98411938..082b2e7be7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ internal:
   except:
     - tags
   script:
-    - sh buildbox/build-telegram.sh hockeyapp
+    - bash buildbox/build-telegram.sh hockeyapp
   environment:
     name: internal
 
@@ -28,6 +28,6 @@ beta_testflight:
   except:
     - tags
   script:
-    - sh buildbox/build-telegram.sh appstore
+    - bash buildbox/build-telegram.sh appstore
   environment:
     name: testflight_llc
diff --git a/buildbox/build-telegram.sh b/buildbox/build-telegram.sh
index 9d1b0a3ea5..ef9ab5d8be 100644
--- a/buildbox/build-telegram.sh
+++ b/buildbox/build-telegram.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e