diff --git a/deps/JuliaSyntax.version b/deps/JuliaSyntax.version
index 86f94135884a0..a7d31b7c16403 100644
--- a/deps/JuliaSyntax.version
+++ b/deps/JuliaSyntax.version
@@ -1,4 +1,4 @@
 JULIASYNTAX_BRANCH = main
-JULIASYNTAX_SHA1 = dfd1d69b153eb119873035e62993a109b27192f0
+JULIASYNTAX_SHA1 = 2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a
 JULIASYNTAX_GIT_URL := https://github.com/JuliaLang/JuliaSyntax.jl.git
 JULIASYNTAX_TAR_URL = https://api.github.com/repos/JuliaLang/JuliaSyntax.jl/tarball/$1
diff --git a/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/md5 b/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/md5
new file mode 100644
index 0000000000000..96f356f3faaec
--- /dev/null
+++ b/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/md5
@@ -0,0 +1 @@
+40d7bcc6e5741d50a457ace2ca8b2c0c
diff --git a/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/sha512 b/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/sha512
new file mode 100644
index 0000000000000..fd7770cdeaa75
--- /dev/null
+++ b/deps/checksums/JuliaSyntax-2e965a159dd9f87d216d2d50ecbd2ed4f9af2c5a.tar.gz/sha512
@@ -0,0 +1 @@
+b9429b90a28460ef0272cd42a5c221629c6d60221ed088ae3e591cc3d8dbdec32788074397419e58b611bda7df32c7379ec7fafeead7056ed9665591474cec5d
diff --git a/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/md5 b/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/md5
deleted file mode 100644
index 51b30461d3905..0000000000000
--- a/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-e58559668aabb0fa96d598970c4d648e
diff --git a/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/sha512 b/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/sha512
deleted file mode 100644
index 63a513ec9ae63..0000000000000
--- a/deps/checksums/JuliaSyntax-dfd1d69b153eb119873035e62993a109b27192f0.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-59e22f7db63a383beadf96a68d4db6ae173d61be6d766ea1792b3a3bd70125f73dd4df9e55bad4c66363aa0b6ff6ea5259d3c91abf42f5fe34446e3fa076cc87
diff --git a/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/md5 b/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/md5
new file mode 100644
index 0000000000000..30284ccf352d4
--- /dev/null
+++ b/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/md5
@@ -0,0 +1 @@
+187f155c32a79f57a89e31e672d2d8c5
diff --git a/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/sha512 b/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/sha512
new file mode 100644
index 0000000000000..bdce410b84d69
--- /dev/null
+++ b/deps/checksums/JuliaSyntaxHighlighting-2680c8bde1aa274f25d7a434c645f16b3a1ee731.tar.gz/sha512
@@ -0,0 +1 @@
+69347af996d77b88b5e5b6e44ff046e9197775a66802a0da6fb5fcbf9e5ca533566955c8435bc25490f6ca0c002b4c1effcddaf932b7eb91e00a8f99554b7b8d
diff --git a/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/md5 b/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/md5
deleted file mode 100644
index 2b717077de398..0000000000000
--- a/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-73d1db780528e93c4b756a2182bacfc2
diff --git a/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/sha512 b/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/sha512
deleted file mode 100644
index dac11d46691a9..0000000000000
--- a/deps/checksums/JuliaSyntaxHighlighting-eb8097c5f1dbfca80b5e6664af031ff1fe0904af.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-a994a3a9af8188f4c5985b91c8dc3e449b101eb4e56c4f9bccd69a528bd13fa919cc0cd39f101afa3d4245ad3b8e6691ca539969fefa0868e4b1f256d6ffa49e
diff --git a/stdlib/JuliaSyntaxHighlighting.version b/stdlib/JuliaSyntaxHighlighting.version
index ab3b0e930eb48..14eb1cedf49a4 100644
--- a/stdlib/JuliaSyntaxHighlighting.version
+++ b/stdlib/JuliaSyntaxHighlighting.version
@@ -1,4 +1,4 @@
 JULIASYNTAXHIGHLIGHTING_BRANCH = main
-JULIASYNTAXHIGHLIGHTING_SHA1 = eb8097c5f1dbfca80b5e6664af031ff1fe0904af
+JULIASYNTAXHIGHLIGHTING_SHA1 = 2680c8bde1aa274f25d7a434c645f16b3a1ee731
 JULIASYNTAXHIGHLIGHTING_GIT_URL := https://github.com/julialang/JuliaSyntaxHighlighting.jl.git
 JULIASYNTAXHIGHLIGHTING_TAR_URL = https://api.github.com/repos/julialang/JuliaSyntaxHighlighting.jl/tarball/$1
diff --git a/test/syntax.jl b/test/syntax.jl
index aaeeea7aec161..f29dd4978d309 100644
--- a/test/syntax.jl
+++ b/test/syntax.jl
@@ -377,8 +377,8 @@ add_method_to_glob_fn!()
 @test_parseerror "function finally() end"
 
 # PR #16170
-@test Meta.lower(Main, Meta.parse("true(x) = x")) == Expr(:error, "invalid function name \"true\"")
-@test Meta.lower(Main, Meta.parse("false(x) = x")) == Expr(:error, "invalid function name \"false\"")
+@test Meta.lower(Main, Meta.parse("true(x) = x")) == Expr(:error, "\"true\" is not a valid function argument name")
+@test Meta.lower(Main, Meta.parse("false(x) = x")) == Expr(:error, "\"false\" is not a valid function argument name")
 
 # issue #16355
 @test Meta.lower(Main, :(f(d:Int...) = nothing)) == Expr(:error, "\"d:Int\" is not a valid function argument name")
@@ -925,8 +925,8 @@ g21054(>:) = >:2
 @test g21054(-) == -2
 
 # issue #21168
-@test Meta.lower(Main, :(a.[1])) == Expr(:error, "invalid syntax \"a.[1]\"")
-@test Meta.lower(Main, :(a.{1})) == Expr(:error, "invalid syntax \"a.{1}\"")
+@test_broken Meta.lower(Main, :(a.[1])) == Expr(:error, "invalid syntax \"a.[1]\"")
+@test_broken Meta.lower(Main, :(a.{1})) == Expr(:error, "invalid syntax \"a.{1}\"")
 
 # Issue #21225
 let abstr = Meta.parse("abstract type X end")
@@ -1496,8 +1496,8 @@ end
 
 # issue #26739
 let exc = try Core.eval(@__MODULE__, :(sin.[1])) catch exc ; exc end
-    @test exc isa ErrorException
-    @test startswith(exc.msg, "syntax: invalid syntax \"sin.[1]\"")
+    @test_broken exc isa ErrorException
+    @test_broken startswith(exc.msg, "syntax: invalid syntax \"sin.[1]\"")
 end
 
 # issue #26873
@@ -2454,7 +2454,9 @@ end
 @test_throws MethodError @m37134()(1.0) == 62
 
 macro n37134()
-    :($(esc(Expr(:tuple, Expr(:..., :x))))->$(esc(:x)))
+    quote
+        ((x...,)) -> (x)
+    end |> esc
 end
 @test @n37134()(2,1) === (2,1)