diff --git a/requirements/CI-complete/requirements.txt b/requirements/CI-complete/requirements.txt
index ad797ddb5..2e2b381ab 100644
--- a/requirements/CI-complete/requirements.txt
+++ b/requirements/CI-complete/requirements.txt
@@ -6,7 +6,7 @@ hypothesis==6.23.0
 mypy==0.910 
 newick==1.3.0
 numpy==1.21.2
-pytest==6.2.4
+pytest==7.1.0
 pytest-cov==2.12.1
 pytest-xdist==2.3.0
 # https://github.com/tskit-dev/msprime/issues/1860