diff --git a/oid4vci/poetry.lock b/oid4vci/poetry.lock
index 935b52d81..6b3c40330 100644
--- a/oid4vci/poetry.lock
+++ b/oid4vci/poetry.lock
@@ -1390,19 +1390,19 @@ tests = ["pytest", "pytz", "simplejson"]
 
 [[package]]
 name = "mock"
-version = "4.0.3"
+version = "5.1.0"
 description = "Rolling backport of unittest.mock for all Pythons"
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "mock-4.0.3-py3-none-any.whl", hash = "sha256:122fcb64ee37cfad5b3f48d7a7d51875d7031aaf3d8be7c42e2bee25044eee62"},
-    {file = "mock-4.0.3.tar.gz", hash = "sha256:7d3fbbde18228f4ff2f1f119a45cdffa458b4c0dee32eb4d2bb2f82554bac7bc"},
+    {file = "mock-5.1.0-py3-none-any.whl", hash = "sha256:18c694e5ae8a208cdb3d2c20a993ca1a7b0efa258c247a1e565150f477f83744"},
+    {file = "mock-5.1.0.tar.gz", hash = "sha256:5e96aad5ccda4718e0a229ed94b2024df75cc2d55575ba5762d31f5767b8767d"},
 ]
 
 [package.extras]
 build = ["blurb", "twine", "wheel"]
 docs = ["sphinx"]
-test = ["pytest (<5.4)", "pytest-cov"]
+test = ["pytest", "pytest-cov"]
 
 [[package]]
 name = "multidict"
@@ -2573,4 +2573,4 @@ aca-py = ["aries-cloudagent"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "d2437bd7e0ce93fde42c701234033e0c9bba36502c5039ce9eb7eab46eb0ff1b"
+content-hash = "5156f8f17668cdeb4d0aeae7983d16aff31fb65dc64a01854cd6e024f1fe5456"
diff --git a/oid4vci/pyproject.toml b/oid4vci/pyproject.toml
index c6b980919..e72d06a3d 100644
--- a/oid4vci/pyproject.toml
+++ b/oid4vci/pyproject.toml
@@ -29,7 +29,7 @@ pytest-cov = "2.10.1"
 pytest-ruff = "^0.1.1"
 
 # testing
-mock= "~4.0"
+mock= "~5.1"
 
 [tool.poetry.group.integration.dependencies]
 aries-askar = { version = "~0.3.0" }