diff --git a/pdm.lock b/pdm.lock
index 24aba28..7316999 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -3,9 +3,10 @@
 
 [metadata]
 groups = ["default", "askar", "authlib", "dev", "did_peer"]
-strategy = ["cross_platform"]
-lock_version = "4.4"
-content_hash = "sha256:457084dc08847eebe96ff14040e06a7e7674753c45fa2d27578a6d4d9626a0f6"
+cross_platform = true
+static_urls = false
+lock_version = "4.3"
+content_hash = "sha256:e54c3fa21955e2dd269984a01135351f2d3f4947f56f5d746e1ca15cdbfc088d"
 
 [[package]]
 name = "aries-askar"
@@ -172,6 +173,111 @@ files = [
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 ]
 
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 [[package]]
 name = "cryptography"
 version = "41.0.5"
@@ -221,15 +327,15 @@ files = [
 
 [[package]]
 name = "did-peer-4"
-version = "0.1.3"
+version = "0.1.4"
 requires_python = ">=3.9"
 summary = "An implementation of did:peer:4"
 dependencies = [
     "base58>=2.1.1",
 ]
 files = [
-    {file = "did_peer_4-0.1.3-py3-none-any.whl", hash = "sha256:2e9a62b52d06c96dfa25449616190384ecea4b6c3261be7d7df82635f1e63b6d"},
-    {file = "did_peer_4-0.1.3.tar.gz", hash = "sha256:9b82535c4abee528ab66998b2ab876a2c9c60eb4410aeebde86c3ef98c59205c"},
+    {file = "did_peer_4-0.1.4-py3-none-any.whl", hash = "sha256:4c2bb42a55e4fec08fe008a1585db2f11fe19e36121f8919991add027d7c816f"},
+    {file = "did_peer_4-0.1.4.tar.gz", hash = "sha256:b367922067b428d33458ca36158eaed40c863cde2fbab6a18a523dccad533c8e"},
 ]
 
 [[package]]
@@ -490,6 +596,20 @@ files = [
     {file = "pytest_asyncio-0.21.1-py3-none-any.whl", hash = "sha256:8666c1c8ac02631d7c51ba282e0c69a8a452b211ffedf2599099845da5c5c37b"},
 ]
 
+[[package]]
+name = "pytest-cov"
+version = "4.1.0"
+requires_python = ">=3.7"
+summary = "Pytest plugin for measuring coverage."
+dependencies = [
+    "coverage[toml]>=5.2.1",
+    "pytest>=4.6",
+]
+files = [
+    {file = "pytest-cov-4.1.0.tar.gz", hash = "sha256:3904b13dfbfec47f003b8e77fd5b589cd11904a21ddf1ab38a64f204d6a10ef6"},
+    {file = "pytest_cov-4.1.0-py3-none-any.whl", hash = "sha256:6ba70b9e97e69fcc3fb45bfeab2d0a138fb65c4d0d6a41ef33983ad114be8c3a"},
+]
+
 [[package]]
 name = "pytest-ruff"
 version = "0.2.1"
diff --git a/pyproject.toml b/pyproject.toml
index 7127be2..5aee01a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ requires = ["pdm-backend"]
 build-backend = "pdm.backend"
 
 [tool.pytest.ini_options]
-addopts = "--doctest-glob README.md --ruff"
+addopts = "--doctest-glob README.md --ruff --cov didcomm_messaging"
 
 [tool.ruff]
 select = ["E", "F", "C", "D", "TID"]
@@ -56,4 +56,13 @@ dev = [
     "black>=23.10.1",
     "ruff>=0.1.3",
     "pytest-asyncio>=0.21.1",
+    "pytest-cov>=4.1.0",
 ]
+
+[tool.coverage.report]
+exclude_lines = ["pragma: no cover", "@abstract"]
+precision = 2
+show_missing = true
+
+[tool.coverage.run]
+branch = true
\ No newline at end of file