diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5ff07ca7afdefae3cb43d3573dff78fa795f27c2..387a6f918a5b8466f1960b7fcbf67ac736216635 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,16 +2,14 @@ image: ralfjung/opam-ci:latest
 
 stages:
   - build
-  - deploy
-  - build_more
 
 variables:
-  CPU_CORES: "9"
+  CPU_CORES: "10"
 
 .template: &template
   stage: build
   tags:
-  - fp-timing
+  - fp
   script:
   # prepare
   - . build/opam-ci.sh $OPAM_PINS
@@ -20,6 +18,10 @@ variables:
   - 'time make -k -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt'
   - 'if fgrep Axiom build-log.txt >/dev/null; then exit 1; fi'
   - 'cat build-log.txt | egrep "[a-zA-Z0-9_/-]+ \((real|user): [0-9]" | tee build-time.txt'
+  # maybe validate
+  - 'if [[ -n "$VALIDATE" ]]; then make validate; fi'
+  # maybe create opam package
+  - 'if [[ -n "$OPAM_PKG" && "$CI_COMMIT_REF_NAME" == master ]]; then curl --fail -X POST -F "token=$OPAM_UPDATE_SECRET" -F "ref=master" -F "variables[REPO]=$CI_PROJECT_URL.git" -F "variables[REF]=$CI_COMMIT_REF_NAME" -F "variables[SHA]=$CI_COMMIT_SHA" -F "variables[NAME]=$OPAM_PKG" https://gitlab.mpi-sws.org/api/v4/projects/581/trigger/pipeline; fi'
   cache:
     key: "$CI_JOB_NAME"
     paths:
@@ -27,26 +29,25 @@ variables:
   only:
   - gen_proofmode
   - /^ci/
-
-opam:
-  stage: deploy
-  script:
-  # Send a trigger to the repository doing the work
-  - curl --fail -X POST -F "token=$OPAM_UPDATE_SECRET" -F "ref=master" -F "variables[REPO]=$CI_PROJECT_URL.git" -F "variables[REF]=$CI_COMMIT_REF_NAME" -F "variables[SHA]=$CI_COMMIT_SHA" -F "variables[NAME]=$OPAM_PKG" -F "variables[OPAM_PREFIX]=branch.gen_proofmode" https://gitlab.mpi-sws.org/api/v4/projects/581/trigger/pipeline
-  variables:
-    OPAM_PKG: "coq-iris"
-  only:
-  - gen_proofmode
   except:
   - triggers
 
+## Build jobs
+
+build-coq.dev:
+  <<: *template
+  variables:
+    OPAM_PINS: "coq version dev"
+    VALIDATE: "1"
+
 build-coq.8.7.1:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.7.1"
+    OPAM_PKG: "coq-iris"
+  tags:
+  - fp-timing
   artifacts:
     paths:
     - build-time.txt
     - build-env.txt
-  except:
-  - triggers
diff --git a/build/opam-ci.sh b/build/opam-ci.sh
index b6925ba58c8518c2f6a73ad74833861073ff9578..bc51df87ef1e4c3867512df9f8b309111109a151 100755
--- a/build/opam-ci.sh
+++ b/build/opam-ci.sh
@@ -63,5 +63,6 @@ echo "[opam-ci] Installing build-dependencies"
 make build-dep OPAMFLAGS=-y
 
 # done
+set +x
 echo
 coqc -v