diff --git a/Gemfile.lock b/Gemfile.lock
index 7220252..f392601 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,13 +66,13 @@ GEM
       net-protocol
     nio4r (2.7.5)
     pdf-core (0.10.0)
-    pg (1.6.3)
-    pg (1.6.3-aarch64-linux)
-    pg (1.6.3-aarch64-linux-musl)
-    pg (1.6.3-arm64-darwin)
-    pg (1.6.3-x86_64-darwin)
-    pg (1.6.3-x86_64-linux)
-    pg (1.6.3-x86_64-linux-musl)
+    pg (1.7.0)
+    pg (1.7.0-aarch64-linux)
+    pg (1.7.0-aarch64-linux-musl)
+    pg (1.7.0-arm64-darwin)
+    pg (1.7.0-x86_64-darwin)
+    pg (1.7.0-x86_64-linux)
+    pg (1.7.0-x86_64-linux-musl)
     prawn (2.5.0)
       matrix (~> 0.4)
       pdf-core (~> 0.10.0)