diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b6130a7..12fe38e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -74,7 +74,7 @@ repos:
           - aiohttp
           - coredis
           - fhaviary[llm]>=0.14.0 # Match pyproject.toml
-          - litellm>=1.44 # Match pyproject.toml
+          - litellm>=1.44,<1.57.2 # Match pyproject.toml
           - limits
           - numpy
           - pydantic~=2.0,>=2.10.1,<2.10.2 # Match pyproject.toml
diff --git a/pyproject.toml b/pyproject.toml
index d879bf2..293a347 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@ dev = [
     "fh-llm-client[local]",
     "fhaviary[xml]",
     "ipython>=8",  # Pin to keep recent
+    "litellm<1.57.2",  # Pin for Router.acompletion typing break from https://github.com/BerriAI/litellm/pull/7594
     "mypy>=1.8",  # Pin for mutable-override
     "pre-commit>=3.4",  # Pin to keep recent
     "pylint-pydantic",
diff --git a/uv.lock b/uv.lock
index 6a093ef..634801b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -567,7 +567,7 @@ wheels = [
 
 [[package]]
 name = "fh-llm-client"
-version = "0.0.8.dev2+gf8125c0.d20241231"
+version = "0.0.9.dev3+g6c43cd4.d20250109"
 source = { editable = "." }
 dependencies = [
     { name = "coredis" },
@@ -583,6 +583,7 @@ dependencies = [
 dev = [
     { name = "fhaviary", extra = ["xml"] },
     { name = "ipython" },
+    { name = "litellm" },
     { name = "mypy" },
     { name = "numpy" },
     { name = "pre-commit" },
@@ -610,6 +611,7 @@ codeflash = [
     { name = "codeflash" },
     { name = "fhaviary", extra = ["xml"] },
     { name = "ipython" },
+    { name = "litellm" },
     { name = "mypy" },
     { name = "numpy" },
     { name = "pre-commit" },
@@ -630,6 +632,7 @@ codeflash = [
 dev = [
     { name = "fhaviary", extra = ["xml"] },
     { name = "ipython" },
+    { name = "litellm" },
     { name = "mypy" },
     { name = "numpy" },
     { name = "pre-commit" },
@@ -658,6 +661,7 @@ requires-dist = [
     { name = "limits" },
     { name = "litellm", marker = "python_full_version < '3.13'" },
     { name = "litellm", marker = "python_full_version >= '3.13'", specifier = ">=1.49.1" },
+    { name = "litellm", marker = "extra == 'dev'", specifier = "<1.57.2" },
     { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.8" },
     { name = "numpy", marker = "extra == 'local'" },
     { name = "pre-commit", marker = "extra == 'dev'", specifier = ">=3.4" },