diff --git a/requirements-ci.txt b/requirements-ci.txt
index bf02a24..8ff65f4 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -1,7 +1,7 @@
 # Maintained CI environment; do not update frozen publication requirements.
 jsonschema==4.26.0
 lxml==6.1.3
-PyMuPDF==1.28.2
+PyMuPDF==2.0
 # Enable jsonschema's date-time checker; omitted by the original package.
 rfc3339-validator==0.1.4
 six==1.17.0