diff --git a/Gemfile b/Gemfile
index 4d551eef5..a3e57665f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem 'figaro', '~> 1.2'
 
 # model related
 gem 'paper_trail', '~> 14.0'
-gem 'pg', '1.5.8'
+gem 'pg', '1.5.9'
 # 1.8 is for Rails < 5.0
 gem 'ransack', '~> 4.0.0'
 gem 'truemail', '~> 3.0' # validates email by regexp, mail server existence and address existence
diff --git a/Gemfile.lock b/Gemfile.lock
index 6d51202e4..f5bbb2ce4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -365,7 +365,7 @@ GEM
       activerecord (>= 6.0)
       request_store (~> 1.4)
     pdfkit (0.8.7.2)
-    pg (1.5.8)
+    pg (1.5.9)
     pg_query (2.1.2)
       google-protobuf (>= 3.17.1)
     pghero (3.1.0)
@@ -586,7 +586,7 @@ DEPENDENCIES
   omniauth-tara!
   paper_trail (~> 14.0)
   pdfkit
-  pg (= 1.5.8)
+  pg (= 1.5.9)
   pg_query (>= 0.9.0)
   pghero
   pry (= 0.14.2)