diff --git a/poetry.lock b/poetry.lock
index 2e8a1f0..f69c424 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -1311,13 +1311,13 @@ files = [
 
 [[package]]
 name = "specklepy"
-version = "2.18.0"
+version = "2.18.3"
 description = "The Python SDK for Speckle 2.0"
 optional = false
-python-versions = ">=3.8.0,<4.0"
+python-versions = "<4.0,>=3.8.0"
 files = [
-    {file = "specklepy-2.18.0-py3-none-any.whl", hash = "sha256:d4b229a4bdcb64453bd51d27da85753e8be25f6c03746a650d445020d0793726"},
-    {file = "specklepy-2.18.0.tar.gz", hash = "sha256:3ec40a756e0e35ad0e35abe979265af79a43fbf933e832e061d5284085da5cc7"},
+    {file = "specklepy-2.18.3-py3-none-any.whl", hash = "sha256:8d5c2fc6d8b6aa89ee7b955b22b1a6a1872561990b89440539758fdacf8762e6"},
+    {file = "specklepy-2.18.3.tar.gz", hash = "sha256:c6dae98b3ea2457f709099b2dbe4f1f16117caee2946281f03ca6387d12d712a"},
 ]
 
 [package.dependencies]
@@ -1741,4 +1741,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9, <4.0"
-content-hash = "434d4206a2c06dc5fdd76fc7d7b823266affa866ce4a77587fc3549f7178ffd0"
+content-hash = "f6ecc47468dabc61d99a493e6cc234ef91ca9892f94909814f839045ac1af03c"
diff --git a/pyproject.toml b/pyproject.toml
index 3b78ef0..c19c24c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = ">=3.9, <4.0"
 numpy = "^1.25.2"
-specklepy = "2.18.0"
+specklepy = "2.18.3"
 pyshp = "2.3.1"
 requests = "2.31.0"
 requests-toolbelt = "0.10.1"