diff --git a/packages/google-cloud-language/samples/snippets/classify_text/requirements.txt b/packages/google-cloud-language/samples/snippets/classify_text/requirements.txt
index b6929a06ccf3..a6cd6d6cc3bd 100644
--- a/packages/google-cloud-language/samples/snippets/classify_text/requirements.txt
+++ b/packages/google-cloud-language/samples/snippets/classify_text/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-language==0.30.0
+google-cloud-language==0.31.0
 numpy==1.13.3
diff --git a/packages/google-cloud-language/samples/snippets/cloud-client/v1/requirements.txt b/packages/google-cloud-language/samples/snippets/cloud-client/v1/requirements.txt
index 39d8fe989bbf..5a82efc96e7e 100644
--- a/packages/google-cloud-language/samples/snippets/cloud-client/v1/requirements.txt
+++ b/packages/google-cloud-language/samples/snippets/cloud-client/v1/requirements.txt
@@ -1 +1 @@
-google-cloud-language==0.30.0
+google-cloud-language==0.31.0
diff --git a/packages/google-cloud-language/samples/snippets/cloud-client/v1beta2/requirements.txt b/packages/google-cloud-language/samples/snippets/cloud-client/v1beta2/requirements.txt
index 39d8fe989bbf..5a82efc96e7e 100644
--- a/packages/google-cloud-language/samples/snippets/cloud-client/v1beta2/requirements.txt
+++ b/packages/google-cloud-language/samples/snippets/cloud-client/v1beta2/requirements.txt
@@ -1 +1 @@
-google-cloud-language==0.30.0
+google-cloud-language==0.31.0
diff --git a/packages/google-cloud-language/samples/snippets/sentiment/requirements.txt b/packages/google-cloud-language/samples/snippets/sentiment/requirements.txt
index 39d8fe989bbf..5a82efc96e7e 100644
--- a/packages/google-cloud-language/samples/snippets/sentiment/requirements.txt
+++ b/packages/google-cloud-language/samples/snippets/sentiment/requirements.txt
@@ -1 +1 @@
-google-cloud-language==0.30.0
+google-cloud-language==0.31.0