diff --git a/poetry.lock b/poetry.lock
index d83fa761b1..be2ea93cae 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1846,14 +1846,14 @@ testing = ["coverage", "pytest", "pytest-benchmark"]
 
 [[package]]
 name = "postgresql-charms-single-kernel"
-version = "16.3.2"
+version = "16.3.4"
 description = "Shared and reusable code for PostgreSQL-related charms"
 optional = false
 python-versions = "<4.0,>=3.8"
 groups = ["main", "integration"]
 files = [
-    {file = "postgresql_charms_single_kernel-16.3.2-py3-none-any.whl", hash = "sha256:919773efde865ec9b8142b50e99381229c2c4d2baea5f7bc1a8e78b926fc775d"},
-    {file = "postgresql_charms_single_kernel-16.3.2.tar.gz", hash = "sha256:92cad3c11e0037d9c451d5c9552693f04a7d1a234d790bd90fc5a37bbe02f8ea"},
+    {file = "postgresql_charms_single_kernel-16.3.4-py3-none-any.whl", hash = "sha256:2a8bd3a789b25df39e8e69a58fa00c943eb309644abf320df3364c5a4520361f"},
+    {file = "postgresql_charms_single_kernel-16.3.4.tar.gz", hash = "sha256:6df3fd4208e1b91869a9a00819b997b6d55213239c6ecb4549bb74010a2cc7e7"},
 ]
 
 [package.dependencies]
@@ -3209,4 +3209,4 @@ h11 = ">=0.16.0,<1"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.12,<4.0"
-content-hash = "5b47f1417dc3dc5966e88ab124eb49e0e0c7221e00a4dc871cf37b4d74dc8034"
+content-hash = "845fdb3ae99651dbd00df4629d24fcda9548d3cd65b92d96bcadb0c30adaade1"
diff --git a/pyproject.toml b/pyproject.toml
index de5332b3bd..aec0621c29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ charm-refresh = "^3.1.0.2"
 charmlibs-snap = "^1.0.1"
 charmlibs-systemd = "^1.0.0.post0"
 charmlibs-interfaces-tls-certificates = "^1.8.3"
-postgresql-charms-single-kernel = {extras = ["postgresql", "vm"], version = "16.3.2"}
+postgresql-charms-single-kernel = {extras = ["postgresql", "vm"], version = "16.3.4"}
 
 [tool.poetry.group.charm-libs.dependencies]
 # data_platform_libs/v0/data_interfaces.py