diff --git a/examples/MODULE.bazel b/examples/MODULE.bazel
index a61f310ec..8751775ea 100644
--- a/examples/MODULE.bazel
+++ b/examples/MODULE.bazel
@@ -37,7 +37,7 @@ bazel_dep(
     name = "bazel_skylib",
     version = "1.9.0",
 )
-bazel_dep(name = "platforms", version = "1.0.0")
+bazel_dep(name = "platforms", version = "1.1.0")
 
 non_module_deps = use_extension(":non_module_deps.bzl", "non_module_deps")
 use_repo(
diff --git a/haskell/repositories.bzl b/haskell/repositories.bzl
index 5cb68d1cf..711364bb1 100644
--- a/haskell/repositories.bzl
+++ b/haskell/repositories.bzl
@@ -31,10 +31,10 @@ def rules_haskell_dependencies():
         http_archive,
         name = "platforms",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/platforms/releases/download/1.0.0/platforms-1.0.0.tar.gz",
-            "https://github.com/bazelbuild/platforms/releases/download/1.0.0/platforms-1.0.0.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/platforms/releases/download/1.1.0/platforms-1.1.0.tar.gz",
+            "https://github.com/bazelbuild/platforms/releases/download/1.1.0/platforms-1.1.0.tar.gz",
         ],
-        sha256 = "3384eb1c30762704fbe38e440204e114154086c8fc8a8c2e3e28441028c019a8",
+        sha256 = "dbad4a23abcca6171e47b79edc53bd6a41067a3b75f9e8b104656b459ff25046",
     )
 
     maybe(
diff --git a/rules_haskell_tests/MODULE.bazel b/rules_haskell_tests/MODULE.bazel
index 8cd8b2a53..5eb84a140 100644
--- a/rules_haskell_tests/MODULE.bazel
+++ b/rules_haskell_tests/MODULE.bazel
@@ -45,7 +45,7 @@ bazel_dep(
 )
 bazel_dep(
     name = "platforms",
-    version = "1.0.0",
+    version = "1.1.0",
 )
 bazel_dep(
     name = "rules_cc",
diff --git a/rules_haskell_tests/tests/bzlmod_runfiles/other_module/MODULE.bazel b/rules_haskell_tests/tests/bzlmod_runfiles/other_module/MODULE.bazel
index 3e4fa66f6..6836ad34d 100644
--- a/rules_haskell_tests/tests/bzlmod_runfiles/other_module/MODULE.bazel
+++ b/rules_haskell_tests/tests/bzlmod_runfiles/other_module/MODULE.bazel
@@ -17,5 +17,5 @@ bazel_dep(
 )
 bazel_dep(
     name = "platforms",
-    version = "1.0.0",
+    version = "1.1.0",
 )
diff --git a/tutorial/MODULE.bazel b/tutorial/MODULE.bazel
index 908fb8ea4..5636838af 100644
--- a/tutorial/MODULE.bazel
+++ b/tutorial/MODULE.bazel
@@ -1,6 +1,6 @@
 bazel_dep(
     name = "platforms",
-    version = "1.0.0",
+    version = "1.1.0",
 )
 
 # rules_haskell_nix must come before rules_haskell so that nix