diff --git a/Cargo.lock b/Cargo.lock
index 1a9effbae..07c081919 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -79,7 +79,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05efc5cfd9110c8416e471df0e96702d58690178e206e61b7173706673c93706"
 dependencies = [
  "memchr",
- "regex-automata 0.4.6",
+ "regex-automata",
  "serde",
 ]
 
@@ -329,8 +329,8 @@ dependencies = [
  "aho-corasick",
  "bstr",
  "log",
- "regex-automata 0.4.6",
- "regex-syntax 0.8.2",
+ "regex-automata",
+ "regex-syntax",
 ]
 
 [[package]]
@@ -747,25 +747,14 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.9.6"
+version = "1.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebee201405406dbf528b8b672104ae6d6d63e6d118cb10e4d51abbc7b58044ff"
+checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata 0.3.9",
- "regex-syntax 0.7.5",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59b23e92ee4318893fa3fe3e6fb365258efbfe6ac6ab30f090cdcbb7aa37efa9"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax 0.7.5",
+ "regex-automata",
+ "regex-syntax",
 ]
 
 [[package]]
@@ -776,15 +765,9 @@ checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax 0.8.2",
+ "regex-syntax",
 ]
 
-[[package]]
-name = "regex-syntax"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
-
 [[package]]
 name = "regex-syntax"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index 994b814b4..861e36b9b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,9 +37,7 @@ pkg-url = "{ repo }/releases/download/{ version }/difft-{ target }.{ archive-for
 pkg-fmt = "zip"
 
 [dependencies]
-# regex 1.10 requires rust 1.65.
-regex = ">= 1.9, < 1.10"
-
+regex = "1.10.4"
 clap = { version = "3.2.25", features = ["cargo", "env", "wrap_help"] }
 itertools = "0.11.0"
 typed-arena = "2.0.2"