diff --git a/Gemfile b/Gemfile
index dac14e3..5a48f38 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in hathifiles_database.gemspec
 gemspec
 
-gem "push_metrics", git: "https://github.com/hathitrust/push_metrics.git", tag: "v0.9.1"
+gem "push_metrics", git: "https://github.com/hathitrust/push_metrics.git", branch: "main"
 
 group :development, :test do
   gem "simplecov"
diff --git a/Gemfile.lock b/Gemfile.lock
index b58b47e..56292af 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,16 +1,16 @@
 GIT
   remote: https://github.com/hathitrust/push_metrics.git
-  revision: 90ed5f4ee823c1316e1ce0cd4c0db465a180103a
-  tag: v0.9.1
+  revision: 3cba728a95eb936fed5f06da028c88d06bb23996
+  branch: main
   specs:
-    push_metrics (0.9.1)
+    push_metrics (0.10.0)
       milemarker (~> 1.0)
       prometheus-client (~> 4.0)
 
 PATH
   remote: .
   specs:
-    hathifiles_database (0.4.0)
+    hathifiles_database (0.4.1)
       date_named_file
       dotenv
       ettin