diff --git a/ipinfo/cache/default.py b/ipinfo/cache/default.py
index 0e07c66..d5b502c 100644
--- a/ipinfo/cache/default.py
+++ b/ipinfo/cache/default.py
@@ -2,16 +2,14 @@
 A default cache implementation that uses `cachetools` for an in-memory LRU cache.
 """
 
-import cachetools
-
 from .interface import CacheInterface
-
+from cachetools import TTLCache
 
 class DefaultCache(CacheInterface):
     """Default, in-memory cache."""
 
     def __init__(self, **cache_options):
-        self.cache = cachetools.TTLCache(**cache_options)
+        self.cache = TTLCache(**cache_options)
 
     def __contains__(self, key):
         return self.cache.__contains__(key)
diff --git a/ipinfo/handler_async.py b/ipinfo/handler_async.py
index 4c5fd47..853d556 100644
--- a/ipinfo/handler_async.py
+++ b/ipinfo/handler_async.py
@@ -150,7 +150,7 @@ async def getDetails(self, ip_address=None, timeout=None):
                 if content_type == "application/json":
                     error_response = await resp.json()
                 else:
-                    error_response = {"error": resp.text()}
+                    error_response = {"error": await resp.text()}
                 raise APIError(error_code, error_response)
             details = await resp.json()
 
@@ -208,7 +208,7 @@ async def getResproxy(self, ip_address, timeout=None):
                 if content_type == "application/json":
                     error_response = await resp.json()
                 else:
-                    error_response = {"error": resp.text()}
+                    error_response = {"error": await resp.text()}
                 raise APIError(error_code, error_response)
             details = await resp.json()
 
diff --git a/ipinfo/handler_core_async.py b/ipinfo/handler_core_async.py
index 9b77943..c00413e 100644
--- a/ipinfo/handler_core_async.py
+++ b/ipinfo/handler_core_async.py
@@ -153,7 +153,7 @@ async def getDetails(self, ip_address=None, timeout=None):
                 if content_type == "application/json":
                     error_response = await resp.json()
                 else:
-                    error_response = {"error": resp.text()}
+                    error_response = {"error": await resp.text()}
                 raise APIError(error_code, error_response)
             details = await resp.json()
 
diff --git a/ipinfo/handler_lite_async.py b/ipinfo/handler_lite_async.py
index 106b8d2..37a039e 100644
--- a/ipinfo/handler_lite_async.py
+++ b/ipinfo/handler_lite_async.py
@@ -141,7 +141,7 @@ async def getDetails(self, ip_address=None, timeout=None):
                 if content_type == "application/json":
                     error_response = await resp.json()
                 else:
-                    error_response = {"error": resp.text()}
+                    error_response = {"error": await resp.text()}
                 raise APIError(error_code, error_response)
             details = await resp.json()
 
diff --git a/ipinfo/handler_plus_async.py b/ipinfo/handler_plus_async.py
index 34adf98..2fee5a6 100644
--- a/ipinfo/handler_plus_async.py
+++ b/ipinfo/handler_plus_async.py
@@ -153,7 +153,7 @@ async def getDetails(self, ip_address=None, timeout=None):
                 if content_type == "application/json":
                     error_response = await resp.json()
                 else:
-                    error_response = {"error": resp.text()}
+                    error_response = {"error": await resp.text()}
                 raise APIError(error_code, error_response)
             details = await resp.json()
 
diff --git a/pyproject.toml b/pyproject.toml
index 84cfd18..49f5aab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,9 +9,9 @@ authors = [
 license = { text = "Apache License 2.0" }
 requires-python = ">=3.10"
 dependencies = [
-    "requests>=2.18.4",
-    "cachetools==4.2.0",
-    "aiohttp>=3.12.14,<=4",
+    "requests>=2.18.4,<3",
+    "cachetools>=4.2,<8",
+    "aiohttp>=3,<4",
 ]
 
 [project.urls]
diff --git a/uv.lock b/uv.lock
index 605335e..d5fb6cc 100644
--- a/uv.lock
+++ b/uv.lock
@@ -489,9 +489,9 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "aiohttp", specifier = ">=3.12.14,<=4" },
-    { name = "cachetools", specifier = "==4.2.0" },
-    { name = "requests", specifier = ">=2.18.4" },
+    { name = "aiohttp", specifier = ">=3,<4" },
+    { name = "cachetools", specifier = ">=4.2,<8" },
+    { name = "requests", specifier = ">=2.18.4,<3" },
 ]
 
 [package.metadata.requires-dev]