diff --git a/Cargo.lock b/Cargo.lock
index 22511be..56aee1d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2622,7 +2622,7 @@ version = "0.1.0"
 dependencies = [
  "icu_collator",
  "icu_locid",
- "icu_provider 1.5.0",
+ "icu_provider 2.2.0",
  "proptest",
  "stringcheese-icu-case",
  "stringcheese-icu-collation",
diff --git a/crates/stringcheese-en/Cargo.toml b/crates/stringcheese-en/Cargo.toml
index b902e1c..bc48a7f 100644
--- a/crates/stringcheese-en/Cargo.toml
+++ b/crates/stringcheese-en/Cargo.toml
@@ -110,7 +110,7 @@ icu_locid = { version = "1.5", optional = true }
 # the `static ENGLISH_CLDR_COLLATOR` slot below and for the
 # `Language::collator` trait's `Sync` bound. Only pulled in with
 # `icu-collator`.
-icu_provider = { version = "1.5", optional = true, default-features = false, features = ["sync"] }
+icu_provider = { version = "2.2", optional = true, default-features = false, features = ["sync"] }
 # WIT-i18n case-mapping capability crate. Optional; only pulled in
 # when the `case-scud` feature is enabled — pulls a small
 # `CasePack` constructor helper into the crate's public surface so