diff --git a/services/market-data/pyproject.toml b/services/market-data/pyproject.toml
index 02a90634..8f98d1a0 100644
--- a/services/market-data/pyproject.toml
+++ b/services/market-data/pyproject.toml
@@ -8,7 +8,7 @@ dependencies = [
     "clickhouse-connect>=0.9.2",
     "fastapi>=0.124.0",
     "httpx[http2]>=0.28.1",
-    "psycopg[binary]>=3.3.2",
+    "psycopg[binary]>=3.3.4",
     "pydantic>=2.12.0",
     "redis>=8.0.0",
     "requests>=2.34.2",
diff --git a/services/market-data/uv.lock b/services/market-data/uv.lock
index 6fa945df..204a0362 100644
--- a/services/market-data/uv.lock
+++ b/services/market-data/uv.lock
@@ -839,7 +839,7 @@ requires-dist = [
     { name = "clickhouse-connect", specifier = ">=0.9.2" },
     { name = "fastapi", specifier = ">=0.124.0" },
     { name = "httpx", extras = ["http2"], specifier = ">=0.28.1" },
-    { name = "psycopg", extras = ["binary"], specifier = ">=3.3.2" },
+    { name = "psycopg", extras = ["binary"], specifier = ">=3.3.4" },
     { name = "pydantic", specifier = ">=2.12.0" },
     { name = "redis", specifier = ">=8.0.0" },
     { name = "requests", specifier = ">=2.34.2" },