diff --git a/samples/snippets/crop_hints/requirements.txt b/samples/snippets/crop_hints/requirements.txt
index a31d4427..23ab250d 100644
--- a/samples/snippets/crop_hints/requirements.txt
+++ b/samples/snippets/crop_hints/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0
 pillow==4.2.1
diff --git a/samples/snippets/detect/requirements.txt b/samples/snippets/detect/requirements.txt
index 1991be8b..06dcedd4 100644
--- a/samples/snippets/detect/requirements.txt
+++ b/samples/snippets/detect/requirements.txt
@@ -1 +1 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0
diff --git a/samples/snippets/document_text/requirements.txt b/samples/snippets/document_text/requirements.txt
index a31d4427..23ab250d 100644
--- a/samples/snippets/document_text/requirements.txt
+++ b/samples/snippets/document_text/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0
 pillow==4.2.1
diff --git a/samples/snippets/face_detection/requirements.txt b/samples/snippets/face_detection/requirements.txt
index fb17f8c2..f795b8f0 100644
--- a/samples/snippets/face_detection/requirements.txt
+++ b/samples/snippets/face_detection/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0
 Pillow==4.2.1
diff --git a/samples/snippets/quickstart/requirements.txt b/samples/snippets/quickstart/requirements.txt
index 1991be8b..06dcedd4 100644
--- a/samples/snippets/quickstart/requirements.txt
+++ b/samples/snippets/quickstart/requirements.txt
@@ -1 +1 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0
diff --git a/samples/snippets/web/requirements.txt b/samples/snippets/web/requirements.txt
index 1991be8b..06dcedd4 100644
--- a/samples/snippets/web/requirements.txt
+++ b/samples/snippets/web/requirements.txt
@@ -1 +1 @@
-google-cloud-vision==0.26.0
+google-cloud-vision==0.27.0