diff --git a/Cargo.lock b/Cargo.lock
index 81f8643..f90cbc9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,9 +16,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c70beb79cbb5ce9c4f8e20849978f34225931f665bb49efa6982875a4d5facb3"
+checksum = "07d1372b52fa64b8af7cf6e3848cfa2dadb81c21e810f144bdd9c26e21895235"
 
 [[package]]
 name = "bytecount"
@@ -127,7 +127,7 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 name = "mos6502"
 version = "0.4.0"
 dependencies = [
- "bitflags 2.1.0",
+ "bitflags 2.2.0",
  "log",
  "num",
  "skeptic",
diff --git a/Cargo.toml b/Cargo.toml
index 6008985..ec669f2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ edition = "2021"
 name = "mos6502"
 
 [dependencies]
-bitflags = "2.1.0"
+bitflags = "2.2.0"
 log = "0.4.17"
 
 [dependencies.num]