diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index 26e53abb..16e73594 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -4,5 +4,5 @@ dependencies:
 - python
 - numpy
 - cloudpickle =3.1.0
-- pyzmq =26.0.3
+- pyzmq =26.2.0
 - setuptools =75.1.0
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 1e66de0d..bbbb337b 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -15,11 +15,11 @@ jobs:
       matrix:
         include:
         - operating-system: ubuntu-latest
-          python-version: '3.12'
+          python-version: '3.13'
           environment-file: .ci_support/environment-openmpi.yml
 
         - operating-system: ubuntu-latest
-          python-version: '3.12'
+          python-version: '3.13'
           environment-file: .ci_support/environment-mpich.yml
 
     steps:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index f2c13150..90032008 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -23,7 +23,7 @@ jobs:
       run: echo -e "channels:\n  - conda-forge\n" > .condarc
     - uses: conda-incubator/setup-miniconda@v3
       with:
-        python-version: "3.12"
+        python-version: "3.13"
         miniforge-version: latest
         condarc-file: .condarc
         environment-file: .ci_support/environment-openmpi.yml
diff --git a/.github/workflows/minimal.yml b/.github/workflows/minimal.yml
index 5320dbf6..9b1f60a8 100644
--- a/.github/workflows/minimal.yml
+++ b/.github/workflows/minimal.yml
@@ -16,7 +16,7 @@ jobs:
       run: echo -e "channels:\n  - conda-forge\n" > .condarc
     - uses: conda-incubator/setup-miniconda@v3
       with:
-        python-version: "3.12"
+        python-version: "3.13"
         miniforge-version: latest
         condarc-file: .condarc
         environment-file: .ci_support/environment-mini.yml
diff --git a/.github/workflows/pypicheck.yml b/.github/workflows/pypicheck.yml
index 7bed25fd..173f0fa3 100644
--- a/.github/workflows/pypicheck.yml
+++ b/.github/workflows/pypicheck.yml
@@ -14,7 +14,7 @@ jobs:
       run: echo -e "channels:\n  - conda-forge\n" > .condarc
     - uses: conda-incubator/setup-miniconda@v3
       with:
-        python-version: '3.12'
+        python-version: '3.13'
         miniforge-version: latest
         condarc-file: .condarc
         environment-file: .ci_support/environment-openmpi.yml