diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index 9e4de53..a3672eb 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -170,6 +170,11 @@ jobs:
         with:
           path: galette-core/galette/plugins/plugin-oauth2
 
+      - name: Compile translations
+        run: |
+          cd galette-core
+          bin/console galette:compile-locales plugin-oauth2
+
       - name: Install plugin dependencies
         run: |
           cd galette-core/galette/plugins/plugin-oauth2
@@ -278,6 +283,11 @@ jobs:
         with:
           path: galette-core/galette/plugins/plugin-oauth2
 
+      - name: Compile translations
+        run: |
+          cd galette-core
+          bin/console galette:compile-locales plugin-oauth2
+
       - name: Install plugin dependencies
         run: |
           cd galette-core/galette/plugins/plugin-oauth2
diff --git a/.gitignore b/.gitignore
index 9aceb0c..ec257c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@ tests/config/encryption-key.php
 tests/config/config.yml
 tests/coverage/
 
+
+# compiled translations, built by bin/console galette:compile-locales
+lang/*/LC_MESSAGES/*.mo
diff --git a/bin/release b/bin/release
index 3057278..0574cfd 100755
--- a/bin/release
+++ b/bin/release
@@ -399,6 +399,15 @@ def add_libs(rel_name, galette_archive):
     galette.extractall(path=src_dir)
     galette.close()
 
+    # compile translations: MO files are not versioned
+    lang_dir = os.path.join(src_dir, rel_name, 'lang')
+    for pot in fnmatch.filter(os.listdir(lang_dir), '*.pot'):
+        domain = pot[:-len('.pot')]
+        for po in fnmatch.filter(os.listdir(lang_dir), '%s_*.po' % domain):
+            mo_dir = os.path.join(lang_dir, po[len(domain) + 1:-len('.po')], 'LC_MESSAGES')
+            os.makedirs(mo_dir, exist_ok=True)
+            run('msgfmt --check -o "%s" "%s"' % (os.path.join(mo_dir, domain + '.mo'), os.path.join(lang_dir, po)))
+
     plugin_dir = os.path.join(src_dir, rel_name)
 
     # development only, nothing a Galette installation needs
diff --git a/lang/Makefile b/lang/Makefile
index 3e1e366..32d2f61 100644
--- a/lang/Makefile
+++ b/lang/Makefile
@@ -25,21 +25,7 @@ po :
 	done
 
 mo :
-	@echo "Generating MO files:"
-	@for l in ${LANGUAGES}; do \
-	  for d in ${DOMAINS}; do \
-	    mkdir -p ${INSTALLDIR}/$${l}/LC_MESSAGES; \
-	    echo "    formatting ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo."; \
-	    msgfmt $${d}_$${l}.po -o ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo.new; \
-	    if diff -qI 'PO-Revision-Date:.*' ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo.new ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo > /dev/null; then \
-	      echo "    $${d}.mo NOT updated."; \
-	      rm ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo.new; \
-	    else \
-	      echo "    $${d}.mo UPDATED."; \
-	      mv ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo.new ${INSTALLDIR}/$${l}/LC_MESSAGES/$${d}.mo; \
-	    fi; \
-	  done \
-	done
+	cd ../../../../ && bin/console galette:compile-locales plugin-oauth2
 
 extract : twig ${PHP_SOURCES} Makefile
 	xgettext ${PHP_SOURCES} --keyword=_T:1,2t --keyword=__:1,2t --keyword=_Tn:1,2,4t --keyword=_Tx:1c,2,3t --keyword=_Tnx:1c,2,3,5t -L PHP --from-code=UTF-8 --add-comments=TRANS --force-po -o oauth2.pot;
diff --git a/lang/ar/LC_MESSAGES/oauth2.mo b/lang/ar/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index a94fa90..0000000
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diff --git a/lang/br/LC_MESSAGES/oauth2.mo b/lang/br/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index a5eaadc..0000000
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diff --git a/lang/ca/LC_MESSAGES/oauth2.mo b/lang/ca/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 3e0f3db..0000000
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diff --git a/lang/de/LC_MESSAGES/oauth2.mo b/lang/de/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 440a8b6..0000000
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diff --git a/lang/en_US/LC_MESSAGES/oauth2.mo b/lang/en_US/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 38d554a..0000000
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diff --git a/lang/es/LC_MESSAGES/oauth2.mo b/lang/es/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 0e24de8..0000000
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diff --git a/lang/fr_FR.utf8/LC_MESSAGES/oauth2.mo b/lang/fr_FR.utf8/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 50f42bc..0000000
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diff --git a/lang/fr_FR/LC_MESSAGES/oauth2.mo b/lang/fr_FR/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 50f42bc..0000000
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diff --git a/lang/it/LC_MESSAGES/oauth2.mo b/lang/it/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index d12bfce..0000000
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diff --git a/lang/nb_NO/LC_MESSAGES/oauth2.mo b/lang/nb_NO/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 8eb4fe3..0000000
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diff --git a/lang/oc/LC_MESSAGES/oauth2.mo b/lang/oc/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 5e34b37..0000000
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diff --git a/lang/ota/LC_MESSAGES/oauth2.mo b/lang/ota/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 4cbcce0..0000000
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diff --git a/lang/pt/LC_MESSAGES/oauth2.mo b/lang/pt/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index bd24ad4..0000000
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diff --git a/lang/pt_BR/LC_MESSAGES/oauth2.mo b/lang/pt_BR/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 58936d9..0000000
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diff --git a/lang/ru/LC_MESSAGES/oauth2.mo b/lang/ru/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 1ebc5f1..0000000
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diff --git a/lang/si/LC_MESSAGES/oauth2.mo b/lang/si/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 441f425..0000000
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diff --git a/lang/sl/LC_MESSAGES/oauth2.mo b/lang/sl/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 6edd07e..0000000
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diff --git a/lang/ta/LC_MESSAGES/oauth2.mo b/lang/ta/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index d7977c5..0000000
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diff --git a/lang/tr/LC_MESSAGES/oauth2.mo b/lang/tr/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 3b9ceac..0000000
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diff --git a/lang/uk/LC_MESSAGES/oauth2.mo b/lang/uk/LC_MESSAGES/oauth2.mo
deleted file mode 100644
index 4062318..0000000
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