diff --git a/build/opam-ci.sh b/build/opam-ci.sh
index 66ccfc940da956981455546ec6d92a7a2c0b5121..b6925ba58c8518c2f6a73ad74833861073ff9578 100755
--- a/build/opam-ci.sh
+++ b/build/opam-ci.sh
@@ -55,7 +55,7 @@ done
 # Upgrade cached things.
 echo
 echo "[opam-ci] Upgrading opam"
-opam upgrade -y --fixup
+opam upgrade -y --fixup && opam upgrade -y
 
 # Install build-dependencies.
 echo