diff --git a/Cargo.lock b/Cargo.lock
index 87ca435..1ba900e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -99,6 +99,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
 [[package]]
 name = "bumpalo"
 version = "3.10.0"
@@ -164,7 +170,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29e724a68d9319343bb3328c9cc2dfde263f4b3142ee1059a9980580171c954b"
 dependencies = [
  "atty",
- "bitflags",
+ "bitflags 1.3.2",
  "clap_derive",
  "clap_lex",
  "indexmap",
@@ -382,23 +388,23 @@ dependencies = [
 
 [[package]]
 name = "fltk"
-version = "1.3.13"
+version = "1.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c48372ad8f5053f9c1eb50db2f25b36e524bc087388605c6e932774d5d3ee0c"
+checksum = "f8f81f9ebf85aeaad76e43362cc2bb1d926e5daca1327dc0a094d00c86a95ebb"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
  "crossbeam-channel",
  "fltk-sys",
  "once_cell",
  "paste",
- "ttf-parser 0.15.2",
+ "ttf-parser 0.24.1",
 ]
 
 [[package]]
 name = "fltk-sys"
-version = "1.3.13"
+version = "1.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d3afcc83ab18abd6bed3da1dc777ccf60ef6d73e137d529b43ecc9490194c77"
+checksum = "30bbe32c3f9f72469e2cf2a62edc74ef990b81c2caf082f53fd67060ce0c9893"
 dependencies = [
  "cmake",
 ]
@@ -897,7 +903,7 @@ version = "0.17.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc38c0ad57efb786dd57b9864e5b18bae478c00c824dc55a38bbc9da95dde3ba"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "crc32fast",
  "deflate",
  "miniz_oxide",
@@ -1061,7 +1067,7 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -1316,9 +1322,9 @@ checksum = "3e5d7cd7ab3e47dda6e56542f4bbf3824c15234958c6e1bd6aaa347e93499fdc"
 
 [[package]]
 name = "ttf-parser"
-version = "0.15.2"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b3e06c9b9d80ed6b745c7159c40b311ad2916abb34a49e9be2653b90db0d8dd"
+checksum = "5be21190ff5d38e8b4a2d3b6a3ae57f612cc39c96e83cedeaf7abc338a8bac4a"
 
 [[package]]
 name = "typenum"
diff --git a/Cargo.toml b/Cargo.toml
index 4210132..9a0f650 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ opt-level = 3
 clap = { version = "3.0", features = ["derive"] }
 log = "0.4"
 simplelog = "0.11"
-fltk = "1.2"
+fltk = "1.4"
 fltk-theme = "0.4"
 image = "0.24.1"
 imageproc = "0.23"