diff --git a/Gemfile.lock b/Gemfile.lock
index 3a4863130e..1a4ac8d935 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -365,7 +365,7 @@ GEM
     parser (3.3.7.1)
       ast (~> 2.4.1)
       racc
-    pdf-forms (1.5.1)
+    pdf-forms (1.5.2)
       cliver (~> 0.3.2)
       rexml (~> 3.2, >= 3.2.6)
       safe_shell (>= 1.0.3, < 2.0)