diff --git a/Gemfile b/Gemfile
index cafa2049..3c9d4719 100644
--- a/Gemfile
+++ b/Gemfile
@@ -92,6 +92,6 @@ gem 'image_processing', '>= 1.2'
 
 gem 'json-schema', '~> 6.0'
 
-gem 'triangulum', '0.25.8'
+gem 'triangulum', '0.26.0'
 
 gem 'benchmark'
diff --git a/Gemfile.lock b/Gemfile.lock
index 71e7b5f7..8c5f9591 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
       prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.19.9)
+    json (2.20.0)
     json-schema (6.2.0)
       addressable (~> 2.8)
       bigdecimal (>= 3.1, < 5)
@@ -387,7 +387,7 @@ GEM
     test-prof (1.6.1)
     thor (1.5.0)
     timeout (0.6.1)
-    triangulum (0.25.8)
+    triangulum (0.26.0)
       base64 (~> 0.3)
       json (~> 2.19)
       open3 (~> 0.2)
@@ -448,7 +448,7 @@ DEPENDENCIES
   simplecov (~> 0.22.0)
   simplecov-cobertura (~> 3.0)
   test-prof (~> 1.0)
-  triangulum (= 0.25.8)
+  triangulum (= 0.26.0)
   tucana (= 0.0.75)
   tzinfo-data