diff --git a/Gemfile b/Gemfile
index 6aca1274a..9ce6b18e5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'pkg-config', '~> 1.4'
 gem 'puma', '~> 4.3'
 gem 'rails', '~> 5.2.4.4'
 gem 'sprockets', '~> 3.7.2'
-gem 'thor', '~> 0.20'
+gem 'thor', '~> 1.0'
 gem 'rack', '~> 2.2.3'
 
 gem 'thwait', '~> 0.2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 60b317ed3..8884186fb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -612,7 +612,7 @@ GEM
       unicode-display_width (~> 1.1, >= 1.1.1)
     terrapin (0.6.0)
       climate_control (>= 0.0.3, < 1.0)
-    thor (0.20.3)
+    thor (1.0.1)
     thread_safe (0.3.6)
     thwait (0.2.0)
       e2mmap
@@ -795,7 +795,7 @@ DEPENDENCIES
   stoplight (~> 2.2.1)
   streamio-ffmpeg (~> 3.0)
   strong_migrations (~> 0.7)
-  thor (~> 0.20)
+  thor (~> 1.0)
   thwait (~> 0.2.0)
   tty-prompt (~> 0.22)
   twitter-text (~> 1.14)