diff --git a/pyproject.toml b/pyproject.toml
index b73fe43..e8e6544 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ classifiers = [
 ]
 dependencies = [
   "fonttools>=4.43.0",
-  "lief>=0.13.0",
+  "lief>=0.14.0",
   "matplotlib>=3.7.4",
   "numpy>=1.23.0",
   "pillow>=10.0.1",
diff --git a/src/bintropy/VERSION.txt b/src/bintropy/VERSION.txt
index b1cfa11..056cfc9 100644
--- a/src/bintropy/VERSION.txt
+++ b/src/bintropy/VERSION.txt
@@ -1 +1 @@
-1.5.4
+1.5.5
diff --git a/src/bintropy/__init__.py b/src/bintropy/__init__.py
index fe86dac..2f3b9ec 100644
--- a/src/bintropy/__init__.py
+++ b/src/bintropy/__init__.py
@@ -65,9 +65,9 @@
 #                  this may have an impact on typical values for other executable formats
 THRESHOLDS = {
     'default':           (6.677, 7.199),  # average entropy, highest entropy
-    lief.EXE_FORMATS.PE: (6.677, 7.199),
-    #TODO: get average and highest entropy values for lief.EXE_FORMATS.ELF
-    #TODO: get average and highest entropy values for lief.EXE_FORMATS.MACHO
+    lief.Binary.FORMATS.PE: (6.677, 7.199),
+    #TODO: get average and highest entropy values for lief.Binary.FORMATS.ELF
+    #TODO: get average and highest entropy values for lief.Binary.FORMATS.MACHO
 }