diff --git a/Gemfile b/Gemfile
index 33a15489277..221df56ab34 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,7 +25,7 @@ gem 'netaddr', '>= 2.0.4'
 gem 'newrelic_rpm'
 gem 'nokogiri', '>=1.10.5'
 gem 'palm_civet'
-gem 'posix-spawn', '~> 0.3.6'
+gem 'posix-spawn', '~> 0.3.15'
 gem 'protobuf', '3.6.12'
 gem 'public_suffix'
 gem 'rake'
diff --git a/Gemfile.lock b/Gemfile.lock
index bd2339fc489..085a5248f55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -304,7 +304,7 @@ GEM
     parser (2.7.1.4)
       ast (~> 2.4.1)
     pg (1.2.3)
-    posix-spawn (0.3.13)
+    posix-spawn (0.3.15)
     protobuf (3.6.12)
       activesupport (>= 3.2)
       middleware
@@ -538,7 +538,7 @@ DEPENDENCIES
   palm_civet
   parallel_tests
   pg
-  posix-spawn (~> 0.3.6)
+  posix-spawn (~> 0.3.15)
   protobuf (= 3.6.12)
   pry-byebug
   public_suffix