diff --git a/poetry.lock b/poetry.lock
index 1cbcd6c..8b4128e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -294,7 +294,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "geopandas"
-version = "0.11.1"
+version = "0.12.0"
 description = "Geographic pandas extensions"
 category = "main"
 optional = false
@@ -849,7 +849,7 @@ slack = ["Flask", "slack", "slackeventsapi"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.9,<3.11"
-content-hash = "b6ec030ca5f1733e89f7c6504ce182b177bc7840bc8598a05d341608799238de"
+content-hash = "11ae142347145b815fbacf76d9fa9897bb4ceeb7192f082b681ca30efc4a9cc2"
 
 [metadata.files]
 aiohttp = [
@@ -1230,8 +1230,8 @@ frozenlist = [
     {file = "frozenlist-1.3.1.tar.gz", hash = "sha256:3a735e4211a04ccfa3f4833547acdf5d2f863bfeb01cfd3edaffbc251f15cec8"},
 ]
 geopandas = [
-    {file = "geopandas-0.11.1-py3-none-any.whl", hash = "sha256:f3344937f3866e52996c7e505d56dae78be117dc840cd1c23507da0b33c0af71"},
-    {file = "geopandas-0.11.1.tar.gz", hash = "sha256:f0f0c8d0423d30cf81de2056d853145c4362739350a7f8f2d72cc7409ef1eca1"},
+    {file = "geopandas-0.12.0-py3-none-any.whl", hash = "sha256:8890f3912e9e69383258d48e6fe311a2a541c62c096202e3da5a227e4c979331"},
+    {file = "geopandas-0.12.0.tar.gz", hash = "sha256:1980a5de8b3bc5a5e7db216f021c275bdf7b87c55400834baa65eadb88693925"},
 ]
 gunicorn = [
     {file = "gunicorn-20.1.0-py3-none-any.whl", hash = "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e"},
diff --git a/pyproject.toml b/pyproject.toml
index 2211a45..5cfbefd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ python = ">=3.9,<3.11"
 astroplan = ">=0.7"
 astropy = "^5.0"
 Flask = "^2.1.3"
-geopandas = "^0.11.0"
+geopandas = ">=0.11,<0.13"
 pandas = "^1.4.3"
 penquins = "^2.1.0"
 lxml = "^4.9.1"