diff --git a/Cargo.lock b/Cargo.lock
index ae5fea1d26b..d6964f71de0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1267,7 +1267,7 @@ dependencies = [
  "pretty_assertions",
  "serde",
  "thiserror",
- "winnow 0.3.6",
+ "winnow 0.4.9",
 ]
 
 [[package]]
@@ -1858,7 +1858,7 @@ dependencies = [
  "serde",
  "smallvec",
  "thiserror",
- "winnow 0.3.6",
+ "winnow 0.4.9",
 ]
 
 [[package]]
@@ -2097,7 +2097,7 @@ dependencies = [
  "serde",
  "tempfile",
  "thiserror",
- "winnow 0.3.6",
+ "winnow 0.4.9",
 ]
 
 [[package]]
@@ -2245,7 +2245,7 @@ dependencies = [
  "parking_lot",
  "tar",
  "tempfile",
- "winnow 0.3.6",
+ "winnow 0.4.9",
  "xz2",
 ]
 
@@ -4753,9 +4753,9 @@ checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
 [[package]]
 name = "winnow"
-version = "0.3.6"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23d020b441f92996c80d94ae9166e8501e59c7bb56121189dc9eab3bd8216966"
+checksum = "81a2094c43cc94775293eaa0e499fbc30048a6d824ac82c0351a8c0bf9112529"
 dependencies = [
  "memchr",
 ]
diff --git a/gix-actor/Cargo.toml b/gix-actor/Cargo.toml
index f2703b2cab0..340fe809462 100644
--- a/gix-actor/Cargo.toml
+++ b/gix-actor/Cargo.toml
@@ -23,7 +23,7 @@ gix-date = { version = "^0.7.1", path = "../gix-date" }
 thiserror = "1.0.38"
 btoi = "0.4.2"
 bstr = { version = "1.3.0", default-features = false, features = ["std", "unicode"]}
-winnow = "0.3"
+winnow = "0.4"
 itoa = "1.0.1"
 serde = { version = "1.0.114", optional = true, default-features = false, features = ["derive"]}
 
diff --git a/gix-actor/src/signature/decode.rs b/gix-actor/src/signature/decode.rs
index cb0f5b40cf9..acbe58b1530 100644
--- a/gix-actor/src/signature/decode.rs
+++ b/gix-actor/src/signature/decode.rs
@@ -31,7 +31,7 @@ pub(crate) mod function {
                     .and_then(|(i, v)| {
                         btoi::<SecondsSinceUnixEpoch>(v)
                             .map(|v| (i, v))
-                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes))
+                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify))
                     })
             })
             .context("<timestamp>"),
@@ -46,7 +46,7 @@ pub(crate) mod function {
                     .and_then(|(i, v)| {
                         btoi::<OffsetInSeconds>(v)
                             .map(|v| (i, v))
-                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes))
+                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify))
                     })
             })
             .context("HH"),
@@ -56,7 +56,7 @@ pub(crate) mod function {
                     .and_then(|(i, v)| {
                         btoi::<OffsetInSeconds>(v)
                             .map(|v| (i, v))
-                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes))
+                            .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify))
                     })
             })
             .context("MM"),
@@ -188,7 +188,7 @@ mod tests {
                             .map_err(to_bstr_err)
                             .expect_err("parse fails as > is missing")
                             .to_string(),
-                        "Parse error:\nTakeUntil at:  12345 -1215\nin section '<email>', at:  12345 -1215\nin section '<name> <<email>>', at: hello < 12345 -1215\nin section '<name> <<email>> <timestamp> <+|-><HHMM>', at: hello < 12345 -1215\n"
+                        "Parse error:\nSlice at:  12345 -1215\nin section '<email>', at:  12345 -1215\nin section '<name> <<email>>', at: hello < 12345 -1215\nin section '<name> <<email>> <timestamp> <+|-><HHMM>', at: hello < 12345 -1215\n"
                     );
         }
 
@@ -199,7 +199,7 @@ mod tests {
                             .map_err(to_bstr_err)
                             .expect_err("parse fails as > is missing")
                             .to_string(),
-                        "Parse error:\nMapRes at: -1215\nin section '<timestamp>', at: abc -1215\nin section '<name> <<email>> <timestamp> <+|-><HHMM>', at: hello <> abc -1215\n"
+                        "Parse error:\nVerify at: -1215\nin section '<timestamp>', at: abc -1215\nin section '<name> <<email>> <timestamp> <+|-><HHMM>', at: hello <> abc -1215\n"
                     );
         }
     }
diff --git a/gix-object/Cargo.toml b/gix-object/Cargo.toml
index 730a78c4891..699ac1c2f64 100644
--- a/gix-object/Cargo.toml
+++ b/gix-object/Cargo.toml
@@ -33,7 +33,7 @@ itoa = "1.0.1"
 thiserror = "1.0.34"
 hex = "0.4.2"
 bstr = { version = "1.3.0", default-features = false, features = ["std", "unicode"] }
-winnow = "0.3"
+winnow = "0.4"
 smallvec = { version = "1.4.0", features = ["write"] }
 serde = { version = "1.0.114", optional = true, default-features = false, features = ["derive"]}
 
diff --git a/gix-object/src/tag/decode.rs b/gix-object/src/tag/decode.rs
index 0372c66d147..6817e45a8e9 100644
--- a/gix-object/src/tag/decode.rs
+++ b/gix-object/src/tag/decode.rs
@@ -19,7 +19,7 @@ pub fn git_tag<'a, E: ParseError<&'a [u8]> + ContextError<&'a [u8]>>(i: &'a [u8]
         .context("type <object kind>")
         .parse_next(i)?;
     let kind = crate::Kind::from_bytes(kind)
-        .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes))?;
+        .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify))?;
 
     let (i, tag_version) = (|i| parse::header_field(i, b"tag", take_while1(|b| b != NL[0])))
         .context("tag <version>")
diff --git a/gix-object/src/tag/ref_iter.rs b/gix-object/src/tag/ref_iter.rs
index 10bcc87495f..efa6df00554 100644
--- a/gix-object/src/tag/ref_iter.rs
+++ b/gix-object/src/tag/ref_iter.rs
@@ -79,7 +79,7 @@ impl<'a> TagRefIter<'a> {
                     .context("type <object kind>")
                     .parse_next(i)?;
                 let kind = Kind::from_bytes(kind)
-                    .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes))?;
+                    .map_err(|_| winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify))?;
                 *state = Name;
                 (i, Token::TargetKind(kind))
             }
diff --git a/gix-object/src/tree/ref_iter.rs b/gix-object/src/tree/ref_iter.rs
index 6775a41ad09..90bb9d54517 100644
--- a/gix-object/src/tree/ref_iter.rs
+++ b/gix-object/src/tree/ref_iter.rs
@@ -71,7 +71,7 @@ impl<'a> Iterator for TreeRefIter<'a> {
                 #[allow(clippy::unit_arg)]
                 Some(Err(winnow::error::ErrMode::from_error_kind(
                     &[] as &[u8],
-                    winnow::error::ErrorKind::MapRes,
+                    winnow::error::ErrorKind::Verify,
                 )
                 .into()))
             }
@@ -163,7 +163,7 @@ mod decode {
     pub fn entry<'a, E: ParseError<&'a [u8]>>(i: &'a [u8]) -> IResult<&[u8], EntryRef<'_>, E> {
         let (i, mode) = terminated(take_while_m_n(5, 6, AsChar::is_dec_digit), SPACE).parse_next(i)?;
         let mode = tree::EntryMode::try_from(mode)
-            .map_err(|invalid| winnow::error::ErrMode::from_error_kind(invalid, winnow::error::ErrorKind::MapRes))?;
+            .map_err(|invalid| winnow::error::ErrMode::from_error_kind(invalid, winnow::error::ErrorKind::Verify))?;
         let (i, filename) = terminated(take_while1(|b| b != NULL[0]), NULL).parse_next(i)?;
         let (i, oid) = take(20u8).parse_next(i)?; // TODO: make this compatible with other hash lengths
 
diff --git a/gix-ref/Cargo.toml b/gix-ref/Cargo.toml
index 7dc09d41b46..681d46e0a0a 100644
--- a/gix-ref/Cargo.toml
+++ b/gix-ref/Cargo.toml
@@ -31,7 +31,7 @@ gix-lock = { version = "^7.0.0", path = "../gix-lock" }
 gix-tempfile = { version = "^7.0.0", default-features = false, path = "../gix-tempfile" }
 
 thiserror = "1.0.34"
-winnow = "0.3"
+winnow = "0.4"
 serde = { version = "1.0.114", optional = true, default-features = false, features = ["derive"]}
 
 # packed refs
diff --git a/gix-ref/src/store/file/log/line.rs b/gix-ref/src/store/file/log/line.rs
index 38805ac3ebb..fb82f6587cf 100644
--- a/gix-ref/src/store/file/log/line.rs
+++ b/gix-ref/src/store/file/log/line.rs
@@ -148,7 +148,7 @@ pub mod decode {
             if let Some(first) = message.first() {
                 if !first.is_ascii_whitespace() {
                     return Err(
-                        winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::MapRes).map(|err: E| {
+                        winnow::error::ErrMode::from_error_kind(i, winnow::error::ErrorKind::Verify).map(|err: E| {
                             err.add_context(i, "log message must be separated from signature with whitespace")
                         }),
                     );
diff --git a/tests/tools/Cargo.toml b/tests/tools/Cargo.toml
index 3fea57a4945..5bb76a23a71 100644
--- a/tests/tools/Cargo.toml
+++ b/tests/tools/Cargo.toml
@@ -21,7 +21,7 @@ gix-worktree = "0.17.0"
 gix-fs = { version = "^0.4.1", path = "../../gix-fs" }
 gix-tempfile = { version = "^7.0.0", default-features = false, features = ["signals"], path = "../../gix-tempfile" }
 
-winnow = "0.3"
+winnow = "0.4"
 fastrand = "2.0.0"
 bstr = { version = "1.5.0", default-features = false }
 crc = "3.0.0"