diff --git a/poetry.lock b/poetry.lock
index a53e1f1..fa9e0ff 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
 
 [[package]]
 name = "altair"
@@ -453,13 +453,13 @@ tests = ["pytest", "pytest-cov", "pytest-xdist"]
 
 [[package]]
 name = "folium"
-version = "0.17.0"
+version = "0.19.4"
 description = "Make beautiful maps with Leaflet.js & Python"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "folium-0.17.0-py2.py3-none-any.whl", hash = "sha256:14210d054e9afad6ebac037495508297d78805fcfa16f859fdee10bb7f85c2c1"},
-    {file = "folium-0.17.0.tar.gz", hash = "sha256:48385df9a3f6ceca23647c2e8d87850c8a6e05b40db63266e7b8c6d2d734d4c6"},
+    {file = "folium-0.19.4-py2.py3-none-any.whl", hash = "sha256:bea5246b6a6aa61b96d1c51399dd63254bacbd6ba8a826eeb491f45242032dfd"},
+    {file = "folium-0.19.4.tar.gz", hash = "sha256:431a655b52a9bf3efda336f2be022103f0106504a0599e7c349efbfd30bafda6"},
 ]
 
 [package.dependencies]
@@ -2086,4 +2086,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "d2ed2c8c40fd715e16b1162d8a7dd0b29e49168c422de86689a59df1bf19a88c"
+content-hash = "68b94cece36f9feb43a1133b08c51338dc3df741303ed6b79f82000ebed6d0aa"
diff --git a/pyproject.toml b/pyproject.toml
index 362564e..20a6b0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ pandas = "^2.2.2"
 pydantic = "^2.8.2"
 streamlit = "^1.34,<1.35"
 streamlit-searchbox = "^0.1.14"
-folium = "^0.17.0"
+folium = ">=0.17,<0.20"
 watchdog = ">=4.0.2,<6.0.0"
 public-transit-client = "^1.0.0"