diff --git a/ci/repo-config/DEFAULTS.env b/ci/repo-config/DEFAULTS.env
index a6f46be5..88566bd3 100644
--- a/ci/repo-config/DEFAULTS.env
+++ b/ci/repo-config/DEFAULTS.env
@@ -7,5 +7,5 @@ MAX_DIFF_SIZE=20000000
 TIMEOUT=120
 LONG_TIMEOUT=36000
 DOCKER_EXTRA_ARGS='--tmpfs=/dev/shm:rw,size=8g,mode=1777'
-INSTALL_ALIBUILD='alisw/alibuild@v1.16.1#egg=alibuild'
+INSTALL_ALIBUILD='alisw/alibuild@v1.17.4#egg=alibuild'
 INSTALL_ALIBOT='alisw/ali-bot@master#egg=ali-bot'
diff --git a/ci/repo-config/mesosci/slc9/o2-alidist.env b/ci/repo-config/mesosci/slc9/o2-alidist.env
index 19c51429..810986a1 100644
--- a/ci/repo-config/mesosci/slc9/o2-alidist.env
+++ b/ci/repo-config/mesosci/slc9/o2-alidist.env
@@ -5,7 +5,6 @@ PR_REPO=alisw/alidist
 PR_BRANCH=master
 NO_ASSUME_CONSISTENT_EXTERNALS=
 TRUST_COLLABORATORS=true
-INSTALL_ALIBUILD='alisw/alibuild@v1.16.1#egg=alibuild'
 CHECK_NAME=build/O2/alidist-slc9-x86
 DONT_USE_COMMENTS=1
 DEVEL_PKGS="$PR_REPO $PR_BRANCH