diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d20afa40d7ab41d9029d2bfab5d3209b826d0c1..1e4297551e53228a770c138d280a5da2e7ce1031 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -70,6 +70,10 @@ Python 3 Conda:
     CONDA_ENVIRONMENT=.test-conda-env.yml
     grep -v libhwloc .test-conda-env-py3.yml > $CONDA_ENVIRONMENT
     curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project-within-miniconda.sh
+
+    # Shut up ibverbs about fork(), e.g. https://gitlab.tiker.net/inducer/grudge/-/jobs/220796
+    export RDMAV_FORK_SAFE=1
+
     . ./build-and-test-py-project-within-miniconda.sh
 
 Python 3 Conda Examples:
@@ -82,6 +86,10 @@ Python 3 Conda Examples:
     curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/ci-support.sh
     . ci-support.sh
     build_py_project_in_conda_env
+
+    # Shut up ibverbs about fork(), e.g. https://gitlab.tiker.net/inducer/grudge/-/jobs/220796
+    export RDMAV_FORK_SAFE=1
+
     run_examples
 
 Documentation: