diff --git a/Cargo.toml b/Cargo.toml
index 2bd38c3..4f81e63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,7 @@ members = [
 [workspace.package]
 version = "0.2.1"
 edition = "2024"
+rust-version = "1.88"
 
 # Do NOT add panic = "abort": the scan workers' crash-safe Done contract
 # (mathom-scanner::spawn_scan_thread) depends on catch_unwind.
diff --git a/crates/core/Cargo.toml b/crates/core/Cargo.toml
index f63b700..c09ccd9 100644
--- a/crates/core/Cargo.toml
+++ b/crates/core/Cargo.toml
@@ -2,6 +2,7 @@
 name = "mathom-core"
 version = "0.2.1"
 edition = "2024"
+rust-version.workspace = true
 license = "MIT"
 
 [dependencies]
diff --git a/crates/scanner-ntfs/Cargo.toml b/crates/scanner-ntfs/Cargo.toml
index 1816d03..bf691f8 100644
--- a/crates/scanner-ntfs/Cargo.toml
+++ b/crates/scanner-ntfs/Cargo.toml
@@ -2,6 +2,7 @@
 name = "mathom-scanner-ntfs"
 version = "0.2.1"
 edition = "2024"
+rust-version.workspace = true
 license = "MIT"
 
 [features]
diff --git a/crates/scanner/Cargo.toml b/crates/scanner/Cargo.toml
index cc61cbe..651a3be 100644
--- a/crates/scanner/Cargo.toml
+++ b/crates/scanner/Cargo.toml
@@ -2,6 +2,7 @@
 name = "mathom-scanner"
 version = "0.2.1"
 edition = "2024"
+rust-version.workspace = true
 license = "MIT"
 
 [dependencies]
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 57d6529..d4bb9f5 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -2,6 +2,7 @@
 name = "mathom-app"
 version = "0.2.1"
 edition = "2024"
+rust-version.workspace = true
 license = "MIT"
 
 [features]