diff --git a/Cargo.lock b/Cargo.lock
index 0910a7b8..9e5f4153 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -421,7 +421,7 @@ dependencies = [
 
 [[package]]
 name = "gengo"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "criterion",
  "git2",
@@ -439,7 +439,7 @@ dependencies = [
 
 [[package]]
 name = "gengo-bin"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "clap",
  "gengo",
diff --git a/Cargo.toml b/Cargo.toml
index 00b0c368..0d598e7b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ resolver = "2"
 
 [workspace.package]
 description = "Get the language distribution stats of your repository"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 repository = "https://github.com/spenserblack/gengo"
 readme = "README.md"
diff --git a/gengo/languages.yaml b/gengo/languages.yaml
index a1768d52..641565a0 100644
--- a/gengo/languages.yaml
+++ b/gengo/languages.yaml
@@ -226,6 +226,25 @@ Erlang:
     extensions:
       - fs
       - fsx
+"FORTRAN Legacy":
+  category: programming
+  color: "#716152"
+  matchers:
+    extensions:
+      - f
+      - f77
+      - for
+      - ftn
+      - pfo
+"Fortran Modern":
+  category: programming
+  color: "#725196"
+  matchers:
+    extensions:
+      - f03
+      - f08
+      - f90
+      - f95
 GitHub Workflow:
   category: programming
   color: "#2088FF"