diff --git a/Gemfile b/Gemfile
index e58218c6e04..2793463fd81 100644
--- a/Gemfile
+++ b/Gemfile
@@ -413,9 +413,7 @@ end
 
 # Gitaly GRPC client
 gem 'gitaly-proto', '~> 0.88.0', require: 'gitaly'
-# Explicitly lock grpc as we know 1.9 is bad
-# 1.10 is still being tested. See gitlab-org/gitaly#1059
-gem 'grpc', '~> 1.8.3'
+gem 'grpc', '~> 1.10.0'
 
 # Locked until https://github.com/google/protobuf/issues/4210 is closed
 gem 'google-protobuf', '= 3.5.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index bbdc48f964d..fa99ec3febe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -345,9 +345,9 @@ GEM
     google-protobuf (3.5.1)
     googleapis-common-protos-types (1.0.1)
       google-protobuf (~> 3.0)
-    googleauth (0.5.3)
+    googleauth (0.6.2)
       faraday (~> 0.12)
-      jwt (~> 1.4)
+      jwt (>= 1.4, < 3.0)
       logging (~> 2.0)
       memoist (~> 0.12)
       multi_json (~> 1.11)
@@ -371,7 +371,7 @@ GEM
       rake
     grape_logging (1.7.0)
       grape
-    grpc (1.8.3)
+    grpc (1.10.0)
       google-protobuf (~> 3.1)
       googleapis-common-protos-types (~> 1.0.0)
       googleauth (>= 0.5.1, < 0.7)
@@ -505,7 +505,7 @@ GEM
     mini_portile2 (2.3.0)
     minitest (5.7.0)
     mousetrap-rails (1.4.6)
-    multi_json (1.12.2)
+    multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     mustermann (1.0.0)
@@ -648,7 +648,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.5)
       pry (>= 0.9.10)
-    public_suffix (3.0.0)
+    public_suffix (3.0.2)
     pyu-ruby-sasl (0.0.3.3)
     rack (1.6.8)
     rack-accept (0.4.5)
@@ -862,10 +862,10 @@ GEM
       sidekiq (>= 4.2.1)
     sidekiq-limit_fetch (3.4.0)
       sidekiq (>= 4)
-    signet (0.7.3)
+    signet (0.8.1)
       addressable (~> 2.3)
       faraday (~> 0.9)
-      jwt (~> 1.5)
+      jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
     simple_po_parser (1.1.2)
     simplecov (0.14.1)
@@ -1078,7 +1078,7 @@ DEPENDENCIES
   grape-entity (~> 0.6.0)
   grape-route-helpers (~> 2.1.0)
   grape_logging (~> 1.7)
-  grpc (~> 1.8.3)
+  grpc (~> 1.10.0)
   haml_lint (~> 0.26.0)
   hamlit (~> 2.6.1)
   hashie-forbidden_attributes