diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index 717bbe6..dc0ea78 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -6,6 +6,6 @@ dependencies:
   - mpich
   - numpy =1.26.4
   - mpi4py =3.1.5
-  - pympipool =0.7.14
+  - pympipool =0.7.15
   - ase =3.22.1
   - scipy =1.12.0
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index ff415b8..7d0bcd0 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -6,6 +6,6 @@ dependencies:
   - openmpi
   - numpy =1.26.4
   - mpi4py =3.1.5
-  - pympipool =0.7.14
+  - pympipool =0.7.15
   - ase =3.22.1
   - scipy =1.12.0