diff --git a/pyproject.toml b/pyproject.toml
index bbfcb530..80bc945a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ dependencies = [
   "pyjwt==2.13.0",
   "pygeoapi==0.24.0",
   "pyproj==3.7.2",
-  "pyshp==2.3.1",
+  "pyshp==3.1.6",
   "python-dateutil==2.9.0.post0",
   "python-jose>=3.5.0",
   "python-multipart==0.0.32",
diff --git a/requirements.txt b/requirements.txt
index 8d2abfc8..a01c061b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1647,9 +1647,9 @@ pyproj==3.7.2 \
     # via
     #   ocotilloapi
     #   pygeoapi
-pyshp==2.3.1 \
-    --hash=sha256:4caec82fd8dd096feba8217858068bacb2a3b5950f43c048c6dc32a3489d5af1 \
-    --hash=sha256:67024c0ccdc352ba5db777c4e968483782dfa78f8e200672a90d2d30fd8b7b49
+pyshp==3.1.6 \
+    --hash=sha256:4c4b5a4138815c93defd6ebe50bae885b7e58984f431cdb7bb5d00718ac71daf \
+    --hash=sha256:be8cd9436dcbde477c63ea789f7dcdea3af19f17ea84f2744bfc12efe9145d1e
     # via ocotilloapi
 python-dateutil==2.9.0.post0 \
     --hash=sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3 \
diff --git a/uv.lock b/uv.lock
index 4676cbc4..09ec0ad2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2304,7 +2304,7 @@ requires-dist = [
     { name = "pyjwt", specifier = "==2.13.0" },
     { name = "pymssql", specifier = ">=2.3.13" },
     { name = "pyproj", specifier = "==3.7.2" },
-    { name = "pyshp", specifier = "==2.3.1" },
+    { name = "pyshp", specifier = "==3.1.6" },
     { name = "python-dateutil", specifier = "==2.9.0.post0" },
     { name = "python-jose", specifier = ">=3.5.0" },
     { name = "python-multipart", specifier = "==0.0.32" },
@@ -3204,11 +3204,11 @@ wheels = [
 
 [[package]]
 name = "pyshp"
-version = "2.3.1"
+version = "3.1.6"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/63/9f/0dd21250c60375a532c35e89fad8d5e8a3f1a2e3f7c389ccc5a60b05263e/pyshp-2.3.1.tar.gz", hash = "sha256:4caec82fd8dd096feba8217858068bacb2a3b5950f43c048c6dc32a3489d5af1", size = 1731544, upload-time = "2022-07-27T19:51:28.409Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/68/6e/f6f241fcb57f09c856ae78249d70cf31c576840218226ba7d88eda5ceab8/pyshp-3.1.6.tar.gz", hash = "sha256:4c4b5a4138815c93defd6ebe50bae885b7e58984f431cdb7bb5d00718ac71daf", size = 2227945, upload-time = "2026-07-25T16:53:12.324Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/98/2f/68116db5b36b895c0450e3072b8cb6c2fac0359279b182ea97014d3c8ac0/pyshp-2.3.1-py2.py3-none-any.whl", hash = "sha256:67024c0ccdc352ba5db777c4e968483782dfa78f8e200672a90d2d30fd8b7b49", size = 46537, upload-time = "2022-07-27T19:51:26.34Z" },
+    { url = "https://files.pythonhosted.org/packages/ac/72/1f79dab76eb7651b5e3622a46b18a7f93f57c3a1317b712986c58810895e/pyshp-3.1.6-py3-none-any.whl", hash = "sha256:be8cd9436dcbde477c63ea789f7dcdea3af19f17ea84f2744bfc12efe9145d1e", size = 73744, upload-time = "2026-07-25T16:53:10.889Z" },
 ]
 
 [[package]]