diff --git a/pyproject.toml b/pyproject.toml
index 9a4f551..48c7b8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,13 +89,13 @@ keywords = ["code-similarity", "clone-detection", "plagiarism", "winnowing", "fi
 
 [tool.poetry.dependencies]
 python = "^3.9"
-tree-sitter = "^0.25.0"
+tree-sitter = ">=0.25,<0.27"
 tree-sitter-python = "^0.23.0"
 tree-sitter-java = "^0.23.0"
 tree-sitter-javascript = "^0.23.0"
 tree-sitter-typescript = "^0.23.0"
-httpx = "^0.24.0"
-tenacity = "^8.2.0"
+httpx = ">=0.24,<0.29"
+tenacity = ">=8.2,<10.0"
 click = "^8.1.0"
 rich = "^13.3.0"
 jinja2 = "^3.1.0"
@@ -104,8 +104,8 @@ pyyaml = "^6.0"
 numpy = "^1.24"
 prometheus-client = "^0.17"
 PyJWT = "^2.8"
-fastapi = {version = "^0.95.0", optional = true}
-uvicorn = {version = "^0.22.0", optional = true}
+fastapi = {version = ">=0.95,<0.140", optional = true}
+uvicorn = {version = ">=0.22,<0.52", optional = true}
 slowapi = {version = "^0.1.9", optional = true}
 opentelemetry-api = {version = "^1.20", optional = true}
 opentelemetry-sdk = {version = "^1.20", optional = true}