diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5018e0b0..040faac0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -61,7 +61,7 @@ jobs:
         # It is good to test more than the MSRV and stable since sometimes
         # breakage occurs in intermediate versions.
         # IMPORTANT: Synchronize the MSRV with the Cargo.toml values.
-        rust: ["1.66", "1.70", "1.75", "stable", "beta", "nightly"]
+        rust: ["1.67", "1.70", "1.75", "stable", "beta", "nightly"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
diff --git a/Cargo.lock b/Cargo.lock
index e12350b8..3a8db010 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -195,6 +195,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
+ "serde",
+]
+
 [[package]]
 name = "diff"
 version = "0.1.13"
@@ -534,6 +544,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-integer"
 version = "0.1.46"
@@ -615,6 +631,12 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "pretty_assertions"
 version = "1.4.0"
@@ -975,11 +997,14 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.20"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
+ "deranged",
  "itoa",
+ "num-conv",
+ "powerfmt",
  "serde",
  "time-core",
  "time-macros",
@@ -987,16 +1012,17 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.8"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd80a657e71da814b8e5d60d3374fc6d35045062245d80224748ae522dd76f36"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
+ "num-conv",
  "time-core",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 7657eb2c..b64f627d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/jonasbb/serde_with/"
-rust-version = "1.66"
+rust-version = "1.67"
 version = "3.8.1"
 
 [workspace.metadata.release]
diff --git a/serde_with/CHANGELOG.md b/serde_with/CHANGELOG.md
index aaac8e5b..62d23b6c 100644
--- a/serde_with/CHANGELOG.md
+++ b/serde_with/CHANGELOG.md
@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Changed
 
-* Bump MSRV to 1.66, since that is required for the `rmp` dependency.
+* Bump MSRV to 1.67, since that is required for the `time` dependency.
 
 ## [3.8.1] - 2024-04-28
 
diff --git a/serde_with/Cargo.toml b/serde_with/Cargo.toml
index 5f8f1ce1..6a0e5fe3 100644
--- a/serde_with/Cargo.toml
+++ b/serde_with/Cargo.toml
@@ -134,7 +134,7 @@ serde = {version = "1.0.152", default-features = false}
 serde_derive = "1.0.152"
 serde_json = {version = "1.0.45", optional = true, default-features = false}
 serde_with_macros = {path = "../serde_with_macros", version = "=3.8.1", optional = true}
-time_0_3 = {package = "time", version = "~0.3.11", optional = true, default-features = false}
+time_0_3 = {package = "time", version = "~0.3.36", optional = true, default-features = false}
 
 [dev-dependencies]
 expect-test = "1.5.0"
diff --git a/serde_with/tests/time_0_3.rs b/serde_with/tests/time_0_3.rs
index 9067849d..6723fcd8 100644
--- a/serde_with/tests/time_0_3.rs
+++ b/serde_with/tests/time_0_3.rs
@@ -153,7 +153,7 @@ fn test_offset_datetime_rfc2822() {
 
     check_error_deserialization::<S>(
         r#""Foobar""#,
-        expect![[r#"the 'weekday' component could not be parsed at line 1 column 8"#]],
+        expect!["the 'day' component could not be parsed at line 1 column 8"],
     );
     check_error_deserialization::<S>(
         r#""Fri, 2000""#,
@@ -266,6 +266,6 @@ fn test_offset_datetime_iso8601() {
     );
     check_error_deserialization::<S>(
         r#""2000-AA""#,
-        expect!["unexpected trailing characters at line 1 column 9"],
+        expect!["unexpected trailing characters; the end of input was expected at line 1 column 9"],
     );
 }