diff --git a/pyproject.toml b/pyproject.toml
index 92f1535..1e5a2a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,10 +31,10 @@ f2http = "csv2http.core:main"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-httpx = "^0.23.3"
+httpx = "^0.27.2"
 
 [tool.poetry.dev-dependencies]
-respx = "^0.19.3"
+respx = "^0.21.1"
 black = "^22.3.0"
 isort = "^5.10.1"
 invoke = "^1.7.1"