diff --git a/docs/file-scrapers.md b/docs/file-scrapers.md
index e5267618..a22eddb8 100644
--- a/docs/file-scrapers.md
+++ b/docs/file-scrapers.md
@@ -53,6 +53,13 @@ tar --extract --gzip --strip-components=1 --directory=docs/gcc~${VERSION}_cpp
 ```
 
 ### GNU Fortran
+Go to https://gcc.gnu.org/onlinedocs/ and download the HTML tarball of Fortran manual or run the following commands to download the tarball:
+
+```sh
+mkdir docs/gnu_fortran~$VERSION; \
+curl https://gcc.gnu.org/onlinedocs/gcc-$RELEASE/gfortran-html.tar.gz | \
+tar --extract --gzip --strip-components=1 --directory=docs/gnu_fortran~$VERSION
+```
 
 ## Gnuplot
 
diff --git a/lib/docs/scrapers/gnu/gnu_fortran.rb b/lib/docs/scrapers/gnu/gnu_fortran.rb
index dd18827c..4182aa0f 100644
--- a/lib/docs/scrapers/gnu/gnu_fortran.rb
+++ b/lib/docs/scrapers/gnu/gnu_fortran.rb
@@ -6,6 +6,21 @@ module Docs
       home: 'https://gcc.gnu.org/fortran/'
     }
 
+    version '10' do
+      self.release = '10.2.0'
+      self.base_url = "https://gcc.gnu.org/onlinedocs/gcc-#{release}/gfortran/"
+    end
+
+    version '9' do
+      self.release = '9.3.0'
+      self.base_url = "https://gcc.gnu.org/onlinedocs/gcc-#{release}/gfortran/"
+    end
+
+    version '8' do
+      self.release = '8.4.0'
+      self.base_url = "https://gcc.gnu.org/onlinedocs/gcc-#{release}/gfortran/"
+    end
+
     version '7' do
       self.release = '7.3.0'
       self.base_url = "https://gcc.gnu.org/onlinedocs/gcc-#{release}/gfortran/"