diff --git a/Cargo.toml b/Cargo.toml
index 90b2f31..77040e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,6 +21,7 @@ readme = "README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/codespell-dict/Cargo.toml b/crates/codespell-dict/Cargo.toml
index 0a1ebd7..f203774 100644
--- a/crates/codespell-dict/Cargo.toml
+++ b/crates/codespell-dict/Cargo.toml
@@ -9,6 +9,7 @@ categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 license = "CC-BY-SA-3.0"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 include = [
   "src/**/*",
diff --git a/crates/codespell-dict/codegen/Cargo.toml b/crates/codespell-dict/codegen/Cargo.toml
index c2fc97b..991ae51 100644
--- a/crates/codespell-dict/codegen/Cargo.toml
+++ b/crates/codespell-dict/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/dictgen/Cargo.toml b/crates/dictgen/Cargo.toml
index 066e658..d90307c 100644
--- a/crates/dictgen/Cargo.toml
+++ b/crates/dictgen/Cargo.toml
@@ -7,6 +7,7 @@ categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling", "no_std"]
 license = "MIT OR Apache-2.0"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/misspell-dict/Cargo.toml b/crates/misspell-dict/Cargo.toml
index 1775974..bb21489 100644
--- a/crates/misspell-dict/Cargo.toml
+++ b/crates/misspell-dict/Cargo.toml
@@ -9,6 +9,7 @@ categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 license = "MIT OR Apache-2.0"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 include = [
   "src/**/*",
diff --git a/crates/misspell-dict/codegen/Cargo.toml b/crates/misspell-dict/codegen/Cargo.toml
index ecfd8b0..81ea989 100644
--- a/crates/misspell-dict/codegen/Cargo.toml
+++ b/crates/misspell-dict/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/typos-dict/Cargo.toml b/crates/typos-dict/Cargo.toml
index 5d035a4..6220694 100644
--- a/crates/typos-dict/Cargo.toml
+++ b/crates/typos-dict/Cargo.toml
@@ -9,6 +9,7 @@ readme = "../../README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/typos-dict/codegen/Cargo.toml b/crates/typos-dict/codegen/Cargo.toml
index fc66980..14a1eb4 100644
--- a/crates/typos-dict/codegen/Cargo.toml
+++ b/crates/typos-dict/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../../../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/typos-dict/verify/Cargo.toml b/crates/typos-dict/verify/Cargo.toml
index 98ad58b..383bf4f 100644
--- a/crates/typos-dict/verify/Cargo.toml
+++ b/crates/typos-dict/verify/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../../../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/typos-vars/Cargo.toml b/crates/typos-vars/Cargo.toml
index fef5ba6..d15083a 100644
--- a/crates/typos-vars/Cargo.toml
+++ b/crates/typos-vars/Cargo.toml
@@ -9,6 +9,7 @@ readme = "../../README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/typos-vars/codegen/Cargo.toml b/crates/typos-vars/codegen/Cargo.toml
index b094f85..f6361a5 100644
--- a/crates/typos-vars/codegen/Cargo.toml
+++ b/crates/typos-vars/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../../../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/typos/Cargo.toml b/crates/typos/Cargo.toml
index 91537d8..383ee55 100644
--- a/crates/typos/Cargo.toml
+++ b/crates/typos/Cargo.toml
@@ -9,6 +9,7 @@ readme = "../../README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/varcon-core/Cargo.toml b/crates/varcon-core/Cargo.toml
index cb7a33c..414b64c 100644
--- a/crates/varcon-core/Cargo.toml
+++ b/crates/varcon-core/Cargo.toml
@@ -8,6 +8,7 @@ repository = "https://github.com/crate-ci/typos"
 readme = "../../README.md"
 categories = ["text-processing"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/varcon/Cargo.toml b/crates/varcon/Cargo.toml
index 0b8d570..06c8746 100644
--- a/crates/varcon/Cargo.toml
+++ b/crates/varcon/Cargo.toml
@@ -9,6 +9,7 @@ readme = "../../README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/varcon/codegen/Cargo.toml b/crates/varcon/codegen/Cargo.toml
index 7cefd35..f07ff0e 100644
--- a/crates/varcon/codegen/Cargo.toml
+++ b/crates/varcon/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../../../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]
diff --git a/crates/wikipedia-dict/Cargo.toml b/crates/wikipedia-dict/Cargo.toml
index b69d6f1..84b7e34 100644
--- a/crates/wikipedia-dict/Cargo.toml
+++ b/crates/wikipedia-dict/Cargo.toml
@@ -9,6 +9,7 @@ readme = "README.md"
 categories = ["development-tools", "text-processing"]
 keywords = ["development", "spelling"]
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 include = [
   "src/**/*",
diff --git a/crates/wikipedia-dict/codegen/Cargo.toml b/crates/wikipedia-dict/codegen/Cargo.toml
index 0f08564..98be7b6 100644
--- a/crates/wikipedia-dict/codegen/Cargo.toml
+++ b/crates/wikipedia-dict/codegen/Cargo.toml
@@ -8,6 +8,7 @@ readme = "../README.md"
 categories = ["text-processing"]
 license = "MIT"
 edition = "2018"
+rust-version = "1.59.0"  # MSRV
 publish = false
 
 [package.metadata.release]