diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for toml-parser
 
+## 2.0.1.1
+
+* Fixes bug that prohibited non-ASCII characters in `'''` strings.
+
 ## 2.0.1.0
 
 * Added `ToValue UTCTime` and `FromValue UTCTime`. These correspond
diff --git a/src/Toml/Syntax/Lexer.x b/src/Toml/Syntax/Lexer.x
--- a/src/Toml/Syntax/Lexer.x
+++ b/src/Toml/Syntax/Lexer.x
@@ -63,7 +63,7 @@
 
 $literal_char = [\x09 \x20-\x26 \x28-\x7E $non_ascii]
 
-$mll_char = [\x09 \x20-\x26 \x28-\x7E]
+$mll_char = [\x09 \x20-\x26 \x28-\x7E $non_ascii]
 @mll_content = $mll_char | @newline
 
 @mlb_escaped_nl = \\ @ws @newline ($wschar | @newline)*
diff --git a/test/LexerSpec.hs b/test/LexerSpec.hs
--- a/test/LexerSpec.hs
+++ b/test/LexerSpec.hs
@@ -40,7 +40,7 @@
     it "accepts tabs" $
         parse_ "x\t=\t1"
         `shouldBe`
-        Right (table [("x" .= Integer 1)])
+        Right (table ["x" .= Integer 1])
 
     it "computes columns correctly with tabs" $
         parse "x\t=\t="
@@ -96,3 +96,8 @@
         parse "x = \"\\p\""
         `shouldBe`
         Left "1:6: lexical error: unknown escape sequence"
+
+    it "allows multi-byte characters in ''' strings" $
+        parse_ "x = '''§'''"
+        `shouldBe`
+        Right (table ["x" .= Text "§"])
diff --git a/toml-parser.cabal b/toml-parser.cabal
--- a/toml-parser.cabal
+++ b/toml-parser.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               toml-parser
-version:            2.0.1.0
+version:            2.0.1.1
 synopsis:           TOML 1.0.0 parser
 description:
     TOML parser using generated lexers and parsers with
@@ -13,7 +13,7 @@
 copyright:          2023 Eric Mertens
 category:           Text
 build-type:         Simple
-tested-with:        GHC == {8.10.7, 9.0.2, 9.2.8, 9.4.8, 9.6.5, 9.8.2, 9.10.1}
+tested-with:        GHC == {8.10.7, 9.0.2, 9.2.8, 9.4.8, 9.6.6, 9.8.2, 9.10.1, 9.12.2}
 
 extra-doc-files:
     ChangeLog.md
@@ -71,8 +71,8 @@
         Toml.Syntax.ParserUtils
     build-depends:
         array           ^>= 0.5,
-        base            ^>= {4.14, 4.15, 4.16, 4.17, 4.18, 4.19, 4.20},
-        containers      ^>= {0.5, 0.6, 0.7},
+        base            ^>= {4.14, 4.15, 4.16, 4.17, 4.18, 4.19, 4.20, 4.21},
+        containers      ^>= {0.5, 0.6, 0.7, 0.8},
         prettyprinter   ^>= 1.7,
         text            >= 0.2 && < 3,
         time            ^>= {1.9, 1.10, 1.11, 1.12, 1.14},
@@ -96,7 +96,7 @@
         base,
         containers,
         hspec           ^>= {2.10, 2.11},
-        template-haskell ^>= {2.16, 2.17, 2.18, 2.19, 2.20, 2.21, 2.22},
+        template-haskell ^>= {2.16, 2.17, 2.18, 2.19, 2.20, 2.21, 2.22, 2.23},
         text,
         time,
         toml-parser,
@@ -128,7 +128,7 @@
         base,
         toml-parser,
         hspec           ^>= {2.10, 2.11},
-        template-haskell ^>= {2.16, 2.17, 2.18, 2.19, 2.20, 2.21, 2.22},
+        template-haskell ^>= {2.16, 2.17, 2.18, 2.19, 2.20, 2.21, 2.22, 2.23},
         text,
     build-tool-depends:
         markdown-unlit:markdown-unlit ^>= {0.5.1, 0.6.0},