diff --git a/Gemfile.lock b/Gemfile.lock
index 447589d..7569009 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.5.0)
-    dotenv (2.8.1)
+    dotenv (3.1.0)
     faraday (1.10.3)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
@@ -55,7 +55,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  dotenv (~> 2.7, >= 2.7.5)
+  dotenv (~> 3.1, >= 2.7.5)
   instagram_basic_display_api!
   rspec (~> 3.9, >= 3.9.0)
 
diff --git a/instagram_basic_display_api.gemspec b/instagram_basic_display_api.gemspec
index 4467565..c6b0498 100644
--- a/instagram_basic_display_api.gemspec
+++ b/instagram_basic_display_api.gemspec
@@ -14,5 +14,5 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency('faraday_middleware', '>= 0.14', '< 1.3')
 
   s.add_development_dependency('rspec', '~> 3.9', '>= 3.9.0')
-  s.add_development_dependency('dotenv', '~> 2.7', '>= 2.7.5')
+  s.add_development_dependency('dotenv', '>= 2.7.5', '~> 3.1')
 end
\ No newline at end of file