diff --git a/CMarkGFM.hsc b/CMarkGFM.hsc
--- a/CMarkGFM.hsc
+++ b/CMarkGFM.hsc
@@ -17,6 +17,7 @@
   , optSmart
   , optSafe
   , optUnsafe
+  , optFootnotes
   , extStrikethrough
   , extTable
   , extAutolink
@@ -252,6 +253,8 @@
   | TABLE [TableCellAlignment]
   | TABLE_ROW
   | TABLE_CELL
+  | FOOTNOTE_REFERENCE
+  | FOOTNOTE_DEFINITION
   deriving (Show, Read, Eq, Ord, Typeable, Data, Generic)
 
 data PosInfo = PosInfo{ startLine   :: Int
@@ -289,6 +292,10 @@
 optUnsafe :: CMarkOption
 optUnsafe = CMarkOption #const CMARK_OPT_UNSAFE
 
+-- | Enable footnote syntax support (equivalent of footnotes extension for official cmark-gfm)
+optFootnotes :: CMarkOption
+optFootnotes = CMarkOption #const CMARK_OPT_FOOTNOTES
+
 newtype CMarkExtension = CMarkExtension { unCMarkExtension :: String }
 
 extStrikethrough :: CMarkExtension
@@ -351,6 +358,10 @@
          -> return SOFTBREAK
        #const CMARK_NODE_LINEBREAK
          -> return LINEBREAK
+       #const CMARK_NODE_FOOTNOTE_DEFINITION
+         -> return FOOTNOTE_DEFINITION
+       #const CMARK_NODE_FOOTNOTE_REFERENCE
+         -> return FOOTNOTE_REFERENCE
        _ -> if nodeType == fromIntegral (Unsafe.unsafePerformIO $ peek c_CMARK_NODE_STRIKETHROUGH) then
               return STRIKETHROUGH
             else if nodeType == fromIntegral (Unsafe.unsafePerformIO $ peek c_CMARK_NODE_TABLE) then
@@ -490,9 +501,13 @@
             SOFTBREAK   -> c_cmark_node_new (#const CMARK_NODE_SOFTBREAK)
             LINEBREAK   -> c_cmark_node_new (#const CMARK_NODE_LINEBREAK)
             STRIKETHROUGH -> c_cmark_node_new (fromIntegral . Unsafe.unsafePerformIO $ peek c_CMARK_NODE_STRIKETHROUGH)
-            TABLE _       -> error "constructing table not supported"
-            TABLE_ROW     -> error "constructing table row not supported"
-            TABLE_CELL    -> error "constructing table cell not supported"
+            TABLE _             -> error "constructing table not supported"
+            TABLE_ROW           -> error "constructing table row not supported"
+            TABLE_CELL          -> error "constructing table cell not supported"
+            FOOTNOTE_DEFINITION -> error "constructing footnotes not supported"
+            FOOTNOTE_REFERENCE -> error "constructing footnotes not supported"
+
+
   mapM_ (\child -> fromNode child >>= c_cmark_node_append_child node) children
   return node
 
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,7 @@
+cmark-gfm 0.2.5 (27 Sep 2022)
+
+  * Add support for enabling footnotes (#26, Anton Sorokin).
+
 cmark-gfm 0.2.4 (22 Sep 2022)
 
   * Pull in upstream changes (includes security fix).
diff --git a/cmark-gfm.cabal b/cmark-gfm.cabal
--- a/cmark-gfm.cabal
+++ b/cmark-gfm.cabal
@@ -1,5 +1,5 @@
 name:                cmark-gfm
-version:             0.2.4
+version:             0.2.5
 synopsis:            Fast, accurate GitHub Flavored Markdown parser and renderer
 description:
   This package provides Haskell bindings for
diff --git a/test/test-cmark.hs b/test/test-cmark.hs
--- a/test/test-cmark.hs
+++ b/test/test-cmark.hs
@@ -33,5 +33,6 @@
   , "<xmp>\n" ~=? commonmarkToHtml [optUnsafe] [] "<xmp>"
   , "&lt;xmp>\n" ~=? commonmarkToHtml [optUnsafe] [extTagfilter] "<xmp>"
   , "<ul>\n<li><input type=\"checkbox\" disabled=\"\" /> foo</li>\n<li><input type=\"checkbox\" checked=\"\" disabled=\"\" /> bar</li>\n</ul>\n" ~=? commonmarkToHtml [] [extTaskList] "- [ ] foo\n- [x] bar"
+  , "<p>Here is footnote<sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>1</a></sup></p>\n<section class=\"footnotes\" data-footnotes>\n<ol>\n<li id=\"fn-1\">\n<p>abc <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref aria-label=\"Back to content\">↩</a></p>\n</li>\n</ol>\n</section>\n" ~=? commonmarkToHtml [optFootnotes] [] "Here is footnote[^1]\n\n[^1]: abc"
   ]