diff --git a/tests/poetry.lock b/tests/poetry.lock
index ba7fca9..e9a3e87 100644
--- a/tests/poetry.lock
+++ b/tests/poetry.lock
@@ -451,33 +451,42 @@ files = [
 
 [[package]]
 name = "pymupdf"
-version = "1.19.6"
+version = "1.21.1"
 description = "Python bindings for the PDF toolkit and renderer MuPDF"
 category = "main"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.7"
 files = [
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+    {file = "PyMuPDF-1.21.1.tar.gz", hash = "sha256:f815741a435c62a0036bbcbf5fa6c533567bd69c5338d413714fc57b22db93e0"},
 ]
 
 [[package]]
@@ -645,4 +654,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "6cc6ba5ba57caff34e9463e315b1f2e64aff79353eb086cedc8135ebbebd94f8"
+content-hash = "9a751f96ae53af66bf59b1bbcb15279ec6a9e8fc3646aa912356d0cb6a3cf590"
diff --git a/tests/pyproject.toml b/tests/pyproject.toml
index 8f250ee..b39623d 100644
--- a/tests/pyproject.toml
+++ b/tests/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["Alex Povel <alex.povel@tuhh.de>"]
 
 [tool.poetry.dependencies]
 python = "^3.10"
-pymupdf = "^1.19.0"
+pymupdf = "^1.21.1"
 pytest = "^6.1.2"
 PyYAML = "^5.3.1"
 python-dateutil = "^2.8.1"