diff --git a/Cargo.toml b/Cargo.toml
index 5be62ad..7a87782 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ members = [
     "userspace",
 ]
 default-members = ["kernel"]
-resolver = "3"
+resolver = "2"
 
 [workspace.package]
 description = "Yet another Rust Operating System (YaROS)"
diff --git a/common/Cargo.toml b/common/Cargo.toml
index b255c2a..45756a9 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "common"
-edition = "2024"
+edition = "2021"
 description.workspace = true
 authors.workspace = true
 version.workspace = true
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
index 715ec5d..5da6ce3 100644
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yaros"
-edition = "2024"
+edition = "2021"
 version.workspace = true
 authors.workspace = true
 description.workspace = true
diff --git a/rust-toolchain b/rust-toolchain
index 43050d6..ee84f7d 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-12-04"
+channel = "nightly-2024-11-09"
 targets = ["riscv64gc-unknown-none-elf"]
diff --git a/userspace/Cargo.toml b/userspace/Cargo.toml
index 8800710..b29cea2 100644
--- a/userspace/Cargo.toml
+++ b/userspace/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "userspace"
-edition = "2024"
+edition = "2021"
 version.workspace = true
 authors.workspace = true
 description.workspace = true