diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index e58d7df8..d9a7fd12 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -3,7 +3,7 @@ channels:
 dependencies:
 - python
 - numpy
-- openmpi
+- openmpi =5.0.5
 - cloudpickle =3.1.0
 - mpi4py =4.0.1
 - pyzmq =26.2.0
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 633ba6a2..f2cbf888 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.7.3
+    rev: v0.7.4
     hooks:
       - id: ruff
         name: ruff lint