diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 8044034e..4f98a545 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -45,6 +45,10 @@ jobs:
       find . \( -name '*.h' -or -name '*.cpp' -or -name '*.c' -or -name '*.mm' -or -name '*.m' \) -print0 | xargs -0 clang-format -style=file -i
       if [ "$(git diff $(Build.SourceVersion))" != "" ]; then exit 1; fi
     displayName: 'Check format'
+  - task: InstallAppleCertificate@2
+    inputs:
+      certSecureFile: 'developerID_application.p12'
+      certPwd: $(P12Password)
   - script: |
       cd $(Build.SourcesDirectory)
       VERSION="$(cat common/yacreader_global.h | grep '#define VERSION "' | tr -d '#define VERSION' | tr -d '"' )"
diff --git a/compileOSX.sh b/compileOSX.sh
index 48cb760e..619b0d6a 100755
--- a/compileOSX.sh
+++ b/compileOSX.sh
@@ -61,4 +61,6 @@ sed -i'' -e "s/#VERSION#/$VERSION/g" dmg.json
 sed -i'' -e "s/#BUILD_NUMBER#/$BUILD_NUMBER/g" dmg.json
 appdmg dmg.json "$dest.dmg"
 
+codesign --force --deep --sign "Developer ID Application: LUIS ANGEL SAN MARTIN ROD (9B6KKVW3WM)" "./${dest}.dmg"
+
 echo "Done!"
diff --git a/releaseOSX.sh b/releaseOSX.sh
index 8d5cdadf..a5d77a73 100755
--- a/releaseOSX.sh
+++ b/releaseOSX.sh
@@ -26,5 +26,7 @@ cp -R release/languages YACReader.app/Contents/MacOS/
 cp -R release/languages YACReaderLibrary.app/Contents/MacOS/
 cp -R release/languages YACReaderLibraryServer.app/Contents/MacOS/
 
+./signapps.sh
+
 echo "Done."
-#./signapps.sh
+
diff --git a/signapps.sh b/signapps.sh
new file mode 100755
index 00000000..32685626
--- /dev/null
+++ b/signapps.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+codesign --force --deep --sign "Developer ID Application: LUIS ANGEL SAN MARTIN ROD (9B6KKVW3WM)" ./YACReader.app
+codesign --force --deep --sign "Developer ID Application: LUIS ANGEL SAN MARTIN ROD (9B6KKVW3WM)" ./YACReaderLibrary.app
+codesign --force --deep --sign "Developer ID Application: LUIS ANGEL SAN MARTIN ROD (9B6KKVW3WM)" ./YACReaderLibraryServer.app