diff --git a/oid4vci/poetry.lock b/oid4vci/poetry.lock
index 06b0bbced..7b88d5f01 100644
--- a/oid4vci/poetry.lock
+++ b/oid4vci/poetry.lock
@@ -1370,22 +1370,22 @@ files = [
 
 [[package]]
 name = "marshmallow"
-version = "3.20.1"
+version = "3.20.2"
 description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "marshmallow-3.20.1-py3-none-any.whl", hash = "sha256:684939db93e80ad3561392f47be0230743131560a41c5110684c16e21ade0a5c"},
-    {file = "marshmallow-3.20.1.tar.gz", hash = "sha256:5d2371bbe42000f2b3fb5eaa065224df7d8f8597bc19a1bbfa5bfe7fba8da889"},
+    {file = "marshmallow-3.20.2-py3-none-any.whl", hash = "sha256:c21d4b98fee747c130e6bc8f45c4b3199ea66bc00c12ee1f639f0aeca034d5e9"},
+    {file = "marshmallow-3.20.2.tar.gz", hash = "sha256:4c1daff273513dc5eb24b219a8035559dc573c8f322558ef85f5438ddd1236dd"},
 ]
 
 [package.dependencies]
 packaging = ">=17.0"
 
 [package.extras]
-dev = ["flake8 (==6.0.0)", "flake8-bugbear (==23.7.10)", "mypy (==1.4.1)", "pre-commit (>=2.4,<4.0)", "pytest", "pytz", "simplejson", "tox"]
-docs = ["alabaster (==0.7.13)", "autodocsumm (==0.2.11)", "sphinx (==7.0.1)", "sphinx-issues (==3.0.1)", "sphinx-version-warning (==1.1.2)"]
-lint = ["flake8 (==6.0.0)", "flake8-bugbear (==23.7.10)", "mypy (==1.4.1)", "pre-commit (>=2.4,<4.0)"]
+dev = ["pre-commit (>=2.4,<4.0)", "pytest", "pytz", "simplejson", "tox"]
+docs = ["alabaster (==0.7.15)", "autodocsumm (==0.2.12)", "sphinx (==7.2.6)", "sphinx-issues (==3.0.1)", "sphinx-version-warning (==1.1.2)"]
+lint = ["pre-commit (>=2.4,<4.0)"]
 tests = ["pytest", "pytz", "simplejson"]
 
 [[package]]
@@ -2573,4 +2573,4 @@ aca-py = ["aries-cloudagent"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "b78d3383f711f25016d000723138b9d2f5a6eed3b19c7f4fafd373e3d89c978c"
+content-hash = "9a93835cf0c8b3991900df2df31165c7d77c8706e9242c7110534438f93109f3"
diff --git a/oid4vci/pyproject.toml b/oid4vci/pyproject.toml
index b8af3a9f8..526709836 100644
--- a/oid4vci/pyproject.toml
+++ b/oid4vci/pyproject.toml
@@ -14,7 +14,7 @@ aries-cloudagent = { version = ">=0.10.3, < 1.0.0", optional = true }
 aiohttp = "^3.8.5"
 aries-askar = "~0.3.0"
 aiohttp-cors = "^0.7.0"
-marshmallow = "^3.20.1"
+marshmallow = "^3.20.2"
 
 [tool.poetry.extras]
 aca-py = ["aries-cloudagent"]