diff --git a/pyproject.toml b/pyproject.toml
index 2e6d8c2..bfb9815 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dev = [
     "pytest-asyncio>=1.3.0",
     "httpx>=0.28.1",
     "aiosqlite>=0.22.1",
-    "testcontainers[postgres]>=4.0",
+    "testcontainers[postgres]>=4.14.2",
     "psycopg2-binary>=2.9.12",
     "faker>=37.0.0",
     "spacy>=3.7.0",
diff --git a/uv.lock b/uv.lock
index 181bbe9..ed136ad 100644
--- a/uv.lock
+++ b/uv.lock
@@ -145,7 +145,7 @@ dev = [
     { name = "pytest-asyncio", specifier = ">=1.3.0" },
     { name = "ruff", specifier = ">=0.15.11" },
     { name = "spacy", specifier = ">=3.7.0" },
-    { name = "testcontainers", extras = ["postgres"], specifier = ">=4.0" },
+    { name = "testcontainers", extras = ["postgres"], specifier = ">=4.14.2" },
 ]
 
 [[package]]