diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 646f70e02..3ce78b68d 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -22,7 +22,7 @@ jobs:
                 fitsio-version: ['==1.1.6', '<2']  # fuji+guadalupe, latest
                 numpy-version: ['<1.23']  # to keep asscalar, used by astropy
         env:
-            DESIUTIL_VERSION: 3.4.2
+            DESIUTIL_VERSION: 3.4.3
             DESIMODEL_DATA: branches/test-0.18
 
         steps:
@@ -60,7 +60,7 @@ jobs:
                 fitsio-version: ['<2']  # latest
                 numpy-version: ['<1.23']  # to keep asscalar, used by astropy
         env:
-            DESIUTIL_VERSION: 3.4.2
+            DESIUTIL_VERSION: 3.4.3
             DESIMODEL_DATA: branches/test-0.18
 
         steps:
@@ -154,7 +154,7 @@ jobs:
                 os: [ubuntu-latest]
                 python-version: ['3.9']
         env:
-            DESIUTIL_VERSION: 3.3.0
+            DESIUTIL_VERSION: 3.4.3
 
         steps:
             - name: Checkout code