diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 6c199e0..23b86b2 100755
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,11 @@
 Changelog
 =========
 
+6.5.2 (2024-06-17)
+------------------
+
+* added support for numpy>=2.0 (fixes issue #234)
+
 
 6.5.1 (2024-06-14)
 ------------------
diff --git a/poetry.lock b/poetry.lock
index 63a4e5a..f017010 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -864,6 +864,60 @@ files = [
     {file = "numpy-1.26.4.tar.gz", hash = "sha256:2a02aba9ed12e4ac4eb3ea9421c420301a0c6460d9830d74a9df87efa4912010"},
 ]
 
+[[package]]
+name = "numpy"
+version = "2.0.0"
+description = "Fundamental package for array computing in Python"
+optional = false
+python-versions = ">=3.9"
+files = [
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+    {file = "numpy-2.0.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:2635dbd200c2d6faf2ef9a0d04f0ecc6b13b3cad54f7c67c61155138835515d2"},
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+    {file = "numpy-2.0.0-pp39-pypy39_pp73-macosx_10_9_x86_64.whl", hash = "sha256:9416a5c2e92ace094e9f0082c5fd473502c91651fb896bc17690d6fc475128d6"},
+    {file = "numpy-2.0.0-pp39-pypy39_pp73-macosx_14_0_x86_64.whl", hash = "sha256:17067d097ed036636fa79f6a869ac26df7db1ba22039d962422506640314933a"},
+    {file = "numpy-2.0.0-pp39-pypy39_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:38ecb5b0582cd125f67a629072fed6f83562d9dd04d7e03256c9829bdec027ad"},
+    {file = "numpy-2.0.0-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:cef04d068f5fb0518a77857953193b6bb94809a806bd0a14983a8f12ada060c9"},
+    {file = "numpy-2.0.0.tar.gz", hash = "sha256:cf5d1c9e6837f8af9f92b6bd3e86d513cdc11f60fd62185cc49ec7d1aba34864"},
+]
+
 [[package]]
 name = "packaging"
 version = "24.1"
@@ -1606,4 +1660,4 @@ pytz = ["pytz"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4"
-content-hash = "ba3f0944eb65ebaec932b417f4253e256e68ae7e073baf74761395a0b064ea80"
+content-hash = "468d9ddfb00f6699ddb356e8af6dbfcc078f776855d7f5bafc8cb9a91f730469"
diff --git a/pyproject.toml b/pyproject.toml
index 0e46bd9..e28eb2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "timezonefinder"
-version = "6.5.1"
+version = "6.5.2"
 description = "python package for finding the timezone of any point on earth (coordinates) offline"
 authors = ["jannikmi <github@michelfe.it>"]
 license = "MIT"
@@ -33,9 +33,10 @@ timezonefinder = "timezonefinder.command_line:main"
 [tool.poetry.dependencies]
 python = ">=3.8,<4"
 # https://numpy.org/neps/nep-0029-deprecation_policy.html
+# numpy 1.21+ required for python 3.8
 numpy = [
-    { version = ">=1.21,<2", python = "<3.9" },
-    { version = ">=1.23,<2", python = ">=3.9" }
+    { version = ">=1.21,<3", python = "<3.9" },
+    { version = ">=1.23,<3", python = ">=3.9" }
 ]
 h3 = ">=3.7.6,<4" # python3.11 support
 cffi = ">=1.15.1,<2"