diff --git a/src/Language/TypeScript/Assignment.hs b/src/Language/TypeScript/Assignment.hs
index 66ca5485d..8ed6c81a9 100644
--- a/src/Language/TypeScript/Assignment.hs
+++ b/src/Language/TypeScript/Assignment.hs
@@ -144,6 +144,8 @@ type Syntax = '[
   , TypeScript.Syntax.JsxClosingElement
   , TypeScript.Syntax.JsxExpression
   , TypeScript.Syntax.JsxAttribute
+  , TypeScript.Syntax.JsxFragment
+  , TypeScript.Syntax.JsxNamespaceName
   , TypeScript.Syntax.OptionalParameter
   , TypeScript.Syntax.RequiredParameter
   , TypeScript.Syntax.RestParameter
@@ -196,8 +198,8 @@ expression = handleError everything
       super,
       object,
       array,
-      jsxElement,
-      jsxSelfClosingElement,
+      jsxElement',
+      jsxFragment,
       class',
       anonymousClass,
       function,
@@ -352,26 +354,44 @@ object = makeTerm <$> (symbol Object <|> symbol ObjectPattern) <*> children (Lit
 array :: Assignment
 array = makeTerm <$> (symbol Array <|> symbol ArrayPattern) <*> children (Literal.Array <$> manyTerm (expression <|> spreadElement))
 
+jsxElement' :: Assignment
+jsxElement' = choice [ jsxElement, jsxSelfClosingElement ]
+
 jsxElement :: Assignment
-jsxElement = makeTerm <$> symbol Grammar.JsxElement <*> children (TypeScript.Syntax.JsxElement <$> term jsxOpeningElement' <*> manyTerm (jsxElement <|> jsxSelfClosingElement <|> jsxExpression' <|> jsxText) <*> term jsxClosingElement')
+jsxElement = makeTerm <$> symbol Grammar.JsxElement <*> children (TypeScript.Syntax.JsxElement <$> term jsxOpeningElement' <*> manyTerm jsxChild <*> term jsxClosingElement')
+
+jsxFragment :: Assignment
+jsxFragment = makeTerm <$> symbol Grammar.JsxFragment <*> children (TypeScript.Syntax.JsxFragment <$> manyTerm jsxChild)
+
+jsxChild :: Assignment
+jsxChild = choice [ jsxElement', jsxExpression', jsxText ]
 
 jsxSelfClosingElement :: Assignment
-jsxSelfClosingElement = makeTerm <$> symbol Grammar.JsxSelfClosingElement <*> children (TypeScript.Syntax.JsxSelfClosingElement <$> term identifier <*> manyTerm (jsxAttribute <|> jsxExpression'))
+jsxSelfClosingElement = makeTerm <$> symbol Grammar.JsxSelfClosingElement <*> children (TypeScript.Syntax.JsxSelfClosingElement <$> term jsxElementName <*> manyTerm jsxAttribute')
+
+jsxAttribute' = jsxAttribute <|> jsxExpression'
 
 jsxOpeningElement' :: Assignment
-jsxOpeningElement' = makeTerm <$> symbol Grammar.JsxOpeningElement <*> children (TypeScript.Syntax.JsxOpeningElement <$> term identifier <*> manyTerm (jsxAttribute <|> jsxExpression'))
+jsxOpeningElement' = makeTerm <$> symbol Grammar.JsxOpeningElement <*> children (TypeScript.Syntax.JsxOpeningElement <$> term jsxElementName <*> manyTerm jsxAttribute')
+
+jsxElementName :: Assignment
+jsxElementName = choice [ identifier, nestedIdentifier, jsxNamespaceName ]
+
+jsxNamespaceName :: Assignment
+jsxNamespaceName = makeTerm <$> symbol Grammar.JsxNamespaceName <*> children (TypeScript.Syntax.JsxNamespaceName <$> identifier <*> identifier)
 
 jsxExpression' :: Assignment
-jsxExpression' = makeTerm <$> symbol Grammar.JsxExpression <*> children (TypeScript.Syntax.JsxExpression <$> term (expressions <|> spreadElement))
+jsxExpression' = makeTerm <$> symbol Grammar.JsxExpression <*> children (TypeScript.Syntax.JsxExpression <$> term (expressions <|> spreadElement <|> emptyTerm))
 
 jsxText :: Assignment
 jsxText = makeTerm <$> symbol Grammar.JsxText <*> (TypeScript.Syntax.JsxText <$> source)
 
 jsxClosingElement' :: Assignment
-jsxClosingElement' = makeTerm <$> symbol Grammar.JsxClosingElement <*> children (TypeScript.Syntax.JsxClosingElement <$> term identifier)
+jsxClosingElement' = makeTerm <$> symbol Grammar.JsxClosingElement <*> children (TypeScript.Syntax.JsxClosingElement <$> term jsxElementName)
 
 jsxAttribute :: Assignment
-jsxAttribute = makeTerm <$> symbol Grammar.JsxAttribute <*> children (TypeScript.Syntax.JsxAttribute <$> term propertyIdentifier <*> term (number <|> string <|> jsxExpression'))
+jsxAttribute = makeTerm <$> symbol Grammar.JsxAttribute <*> children (TypeScript.Syntax.JsxAttribute <$> term (propertyIdentifier <|> jsxNamespaceName) <*> (term jsxAttributeValue <|> emptyTerm))
+  where jsxAttributeValue = choice [ string, jsxExpression', jsxElement', jsxFragment ]
 
 propertyIdentifier :: Assignment
 propertyIdentifier = makeTerm <$> symbol PropertyIdentifier <*> (Syntax.Identifier <$> source)
diff --git a/src/Language/TypeScript/Syntax.hs b/src/Language/TypeScript/Syntax.hs
index aa4103a8e..347f2e597 100644
--- a/src/Language/TypeScript/Syntax.hs
+++ b/src/Language/TypeScript/Syntax.hs
@@ -493,3 +493,17 @@ data RestParameter a = RestParameter { _restParameterContext :: ![a], _restParam
 instance Eq1 RestParameter where liftEq = genericLiftEq
 instance Ord1 RestParameter where liftCompare = genericLiftCompare
 instance Show1 RestParameter where liftShowsPrec = genericLiftShowsPrec
+
+data JsxFragment a = JsxFragment [a]
+  deriving (Diffable, Eq, Foldable, Functor, GAlign, Generic1, Mergeable, Ord, Show, Traversable)
+
+instance Eq1 JsxFragment where liftEq = genericLiftEq
+instance Ord1 JsxFragment where liftCompare = genericLiftCompare
+instance Show1 JsxFragment where liftShowsPrec = genericLiftShowsPrec
+
+data JsxNamespaceName a = JsxNamespaceName a a
+  deriving (Diffable, Eq, Foldable, Functor, GAlign, Generic1, Mergeable, Ord, Show, Traversable)
+
+instance Eq1 JsxNamespaceName where liftEq = genericLiftEq
+instance Ord1 JsxNamespaceName where liftCompare = genericLiftCompare
+instance Show1 JsxNamespaceName where liftShowsPrec = genericLiftShowsPrec
diff --git a/test/fixtures/typescript/jsx-elements.A.ts b/test/fixtures/typescript/jsx-elements.A.ts
index ad867ed78..6ed522a83 100644
--- a/test/fixtures/typescript/jsx-elements.A.ts
+++ b/test/fixtures/typescript/jsx-elements.A.ts
@@ -1 +1,3 @@
-var a = <Text {...css(styles.titleText)}>{children}</Text>
\ No newline at end of file
+var a = <Text {...css(styles.titleText)}>{children}</Text>
+var b = <Foo.Text></Foo.Text>
+var c = <Foo.Text foo bar="zed" />
diff --git a/test/fixtures/typescript/jsx-elements.diffA-B.txt b/test/fixtures/typescript/jsx-elements.diffA-B.txt
index cd1f6951a..cdee6e494 100644
--- a/test/fixtures/typescript/jsx-elements.diffA-B.txt
+++ b/test/fixtures/typescript/jsx-elements.diffA-B.txt
@@ -22,4 +22,16 @@
         (JsxExpression
           (Identifier))
         (JsxClosingElement
-          (Identifier))))))
+          (Identifier)))))
+  {-(VariableDeclaration
+    {-(Assignment
+      {-(Empty)-}
+      {-(Identifier)-}
+      {-(JsxElement{-(JsxOpeningElement{-(NestedIdentifier{-(Identifier)-}{-(Identifier)-})-})-}{-(JsxClosingElement{-(NestedIdentifier{-(Identifier)-}{-(Identifier)-})-})-})-})
+    -})-}
+  {-(VariableDeclaration
+    {-(Assignment
+      {-(Empty)-}
+      {-(Identifier)-}
+      {-(JsxSelfClosingElement{-(NestedIdentifier{-(Identifier)-}{-(Identifier)-})-}{-(JsxAttribute{-(Identifier)-}{-(Empty)-})-}{-(JsxAttribute{-(Identifier)-}{-(TextElement)-})-})-}
+    )-})-})
diff --git a/test/fixtures/typescript/jsx-elements.diffB-A.txt b/test/fixtures/typescript/jsx-elements.diffB-A.txt
index 4cef88579..b41facd71 100644
--- a/test/fixtures/typescript/jsx-elements.diffB-A.txt
+++ b/test/fixtures/typescript/jsx-elements.diffB-A.txt
@@ -22,4 +22,14 @@
         (JsxExpression
           (Identifier))
         (JsxClosingElement
-          (Identifier))))))
+          (Identifier)))))
+  {+(VariableDeclaration
+    {+(Assignment
+      {+(Empty)+}
+      {+(Identifier)+}
+      {+(JsxElement{+(JsxOpeningElement{+(NestedIdentifier{+(Identifier)+}{+(Identifier)+})+})+}{+(JsxClosingElement{+(NestedIdentifier{+(Identifier)+}{+(Identifier)+})+})+})+})+})+}
+  {+(VariableDeclaration
+    {+(Assignment
+      {+(Empty)+}
+      {+(Identifier)+}
+      {+(JsxSelfClosingElement{+(NestedIdentifier{+(Identifier)+}{+(Identifier)+})+}{+(JsxAttribute{+(Identifier)+}{+(Empty)+})+}{+(JsxAttribute{+(Identifier)+}{+(TextElement)+})+})+})+})+})
diff --git a/test/fixtures/typescript/jsx-elements.parseA.txt b/test/fixtures/typescript/jsx-elements.parseA.txt
index 72387143d..42d46254f 100644
--- a/test/fixtures/typescript/jsx-elements.parseA.txt
+++ b/test/fixtures/typescript/jsx-elements.parseA.txt
@@ -16,4 +16,30 @@
         (JsxExpression
           (Identifier))
         (JsxClosingElement
-          (Identifier))))))
+          (Identifier)))))
+  (VariableDeclaration
+    (Assignment
+      (Empty)
+      (Identifier)
+      (JsxElement
+        (JsxOpeningElement
+          (NestedIdentifier
+            (Identifier) (Identifier)))
+        (JsxClosingElement
+          (NestedIdentifier
+            (Identifier)
+            (Identifier))))))
+  (VariableDeclaration
+    (Assignment
+      (Empty)
+      (Identifier)
+      (JsxSelfClosingElement
+        (NestedIdentifier
+          (Identifier)
+          (Identifier))
+          (JsxAttribute
+            (Identifier)
+            (Empty))
+          (JsxAttribute
+            (Identifier)
+            (TextElement))))))
diff --git a/vendor/effects b/vendor/effects
index 7b905b290..665d14c75 160000
--- a/vendor/effects
+++ b/vendor/effects
@@ -1 +1 @@
-Subproject commit 7b905b290f746c07f6a5486afd9fd881cfd30caf
+Subproject commit 665d14c75881ddedb3aa6fa9ee0c46bfb898b3df
diff --git a/vendor/haskell-tree-sitter b/vendor/haskell-tree-sitter
index 179099a20..a7c77ef54 160000
--- a/vendor/haskell-tree-sitter
+++ b/vendor/haskell-tree-sitter
@@ -1 +1 @@
-Subproject commit 179099a20135bfcee635e469022c77f04df20b07
+Subproject commit a7c77ef5459e4f610bd82ce203984f408bc106c2