diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae49dc0..74087b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@
 ### Added
 - Add `smart_subsample` argument to the `webp_options` processing option.
 
+### Fixed
+
+- Fix `calc_hashsums` info option name.
+
 ## [3.0.0] - 2023-12-28
 
 ⚠️ This is a major release. See [the migration guide](https://github.com/imgproxy/imgproxy.rb/blob/master/UPGRADE.md). ⚠️
diff --git a/docs/info_options.md b/docs/info_options.md
index 2e62f43..fbf1985 100644
--- a/docs/info_options.md
+++ b/docs/info_options.md
@@ -139,11 +139,11 @@
 }
 ```
 
-### [calc_hashsum](https://docs.imgproxy.net/usage/getting_info#calc_hashsum)
+### [calc_hashsums](https://docs.imgproxy.net/usage/getting_info#calc_hashsums)
 
 ```ruby
 {
-  calc_hashsum: Array[String || Symbol]
+  calc_hashsums: Array[String || Symbol]
 }
 ```
 
diff --git a/lib/imgproxy/option_aliases/info.rb b/lib/imgproxy/option_aliases/info.rb
index b74d684..f30e508 100644
--- a/lib/imgproxy/option_aliases/info.rb
+++ b/lib/imgproxy/option_aliases/info.rb
@@ -18,7 +18,7 @@ module OptionAliases
       average: :avg,
       dominant_colors: :dc,
       blurhash: :bh,
-      calc_hashsum: :chs,
+      calc_hashsums: :chs,
       page: :pg,
       video_thumbnail_second: :vts,
       video_thumbnail_keyframes: :vtk,
diff --git a/lib/imgproxy/options_builders/info.rb b/lib/imgproxy/options_builders/info.rb
index 0ed6f20..7f457ae 100644
--- a/lib/imgproxy/options_builders/info.rb
+++ b/lib/imgproxy/options_builders/info.rb
@@ -36,7 +36,7 @@ class Info < Base
         average: Imgproxy::OptionsCasters::Average,
         dominant_colors: Imgproxy::OptionsCasters::DominantColors,
         blurhash: Imgproxy::OptionsCasters::Blurhash,
-        calc_hashsum: Imgproxy::OptionsCasters::Array,
+        calc_hashsums: Imgproxy::OptionsCasters::Array,
         page: Imgproxy::OptionsCasters::Integer,
         video_thumbnail_second: Imgproxy::OptionsCasters::Integer,
         video_thumbnail_keyframes: Imgproxy::OptionsCasters::Bool,
diff --git a/spec/info_url_for_spec.rb b/spec/info_url_for_spec.rb
index f6eb4d7..48c79ab 100644
--- a/spec/info_url_for_spec.rb
+++ b/spec/info_url_for_spec.rb
@@ -46,7 +46,7 @@
         x_components: 4,
         y_components: 3,
       },
-      calc_hashsum: %w[md5 sha1],
+      calc_hashsums: %w[md5 sha1],
       page: 42,
       video_thumbnail_second: 15,
       video_thumbnail_keyframes: true,
@@ -114,7 +114,7 @@
       "average:1:1",
       "dominant_colors:1:1",
       "blurhash:4:3",
-      "calc_hashsum:md5:sha1",
+      "calc_hashsums:md5:sha1",
       "page:42",
       "video_thumbnail_second:15",
       "video_thumbnail_keyframes:1",