diff --git a/samples/polars/requirements-test.txt b/samples/polars/requirements-test.txt
index cbac5e3f12..df40a3ed9f 100644
--- a/samples/polars/requirements-test.txt
+++ b/samples/polars/requirements-test.txt
@@ -1,3 +1,3 @@
 # samples/snippets should be runnable with no "extras"
-google-cloud-testutils==1.4.0
-pytest==8.3.2
+google-cloud-testutils==1.6.0
+pytest==8.3.5
diff --git a/samples/polars/requirements.txt b/samples/polars/requirements.txt
index a1d8fbcdac..20e34d81db 100644
--- a/samples/polars/requirements.txt
+++ b/samples/polars/requirements.txt
@@ -1,3 +1,3 @@
-bigframes==1.11.1
-polars==1.3.0
-pyarrow==15.0.0
+bigframes==1.40.0
+polars==1.24.0
+pyarrow==19.0.1
diff --git a/samples/snippets/requirements-test.txt b/samples/snippets/requirements-test.txt
index cbac5e3f12..df40a3ed9f 100644
--- a/samples/snippets/requirements-test.txt
+++ b/samples/snippets/requirements-test.txt
@@ -1,3 +1,3 @@
 # samples/snippets should be runnable with no "extras"
-google-cloud-testutils==1.4.0
-pytest==8.3.2
+google-cloud-testutils==1.6.0
+pytest==8.3.5
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 9b5da5182e..62fc4a49df 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
 # samples/snippets should be runnable with no "extras"
-bigframes==1.11.1
+bigframes==1.40.0