diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7e4ef5f948bf..2c4b3fca36cc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ on:
     - cron: "00 01 * * *"
 
 env:
-  MSRV: "1.87"
+  MSRV: "1.90"
   # This key can be changed to bust the cache of tree-sitter grammars.
   GRAMMAR_CACHE_VERSION: ""
 
diff --git a/Cargo.toml b/Cargo.toml
index bf546efde52e..1ee1598209e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,4 +66,4 @@ categories = ["editor"]
 repository = "https://github.com/helix-editor/helix"
 homepage = "https://helix-editor.com"
 license = "MPL-2.0"
-rust-version = "1.87"
+rust-version = "1.90"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 00ca8bbbb3c6..13a1416eaf62 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.87.0"
+channel = "1.90.0"
 components = ["rustfmt", "rust-src", "clippy"]