diff --git a/python/requirements/CI-complete/requirements.txt b/python/requirements/CI-complete/requirements.txt
index c5975a6153..b4f6952f7f 100644
--- a/python/requirements/CI-complete/requirements.txt
+++ b/python/requirements/CI-complete/requirements.txt
@@ -2,7 +2,7 @@ biopython==1.81
 coverage==7.2.7
 dendropy==4.6.1
 h5py==3.9.0
-kastore==0.3.2
+kastore==0.3.3
 lshmm==0.0.5
 msgpack==1.0.5
 msprime==1.2.0
diff --git a/python/requirements/CI-tests-conda/requirements.txt b/python/requirements/CI-tests-conda/requirements.txt
index 6d5acb227d..609331f619 100644
--- a/python/requirements/CI-tests-conda/requirements.txt
+++ b/python/requirements/CI-tests-conda/requirements.txt
@@ -1,6 +1,6 @@
 biopython==1.79
 h5py==3.11.0
-kastore==0.3.2
+kastore==0.3.3
 lxml==4.9.2
 msgpack-python==1.0.4
 msprime==1.2.0