diff --git a/Cargo.toml b/Cargo.toml
index 2dc7e05..4319bc2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ diff = "0.1"
 pretty_assertions = "1"
 rand = "0.8"
 wat = "1"
-wasmparser = "0.92"
+wasmparser = "0.94"
 wasmprinter = "0.2"
 
 [features]
diff --git a/tests/expectations/gas/branch.wat b/tests/expectations/gas/branch.wat
index a02c7ad..adc67a3 100644
--- a/tests/expectations/gas/branch.wat
+++ b/tests/expectations/gas/branch.wat
@@ -6,7 +6,7 @@
     (local i32 i32)
     i64.const 13
     call 0
-    block  ;; label = @1
+    block ;; label = @1
       i32.const 0
       local.set 0
       i32.const 1
diff --git a/tests/expectations/gas/ifs.wat b/tests/expectations/gas/ifs.wat
index 642ea43..972fd24 100644
--- a/tests/expectations/gas/ifs.wat
+++ b/tests/expectations/gas/ifs.wat
@@ -6,7 +6,7 @@
     i64.const 2
     call 0
     i32.const 1
-    if (result i32)  ;; label = @1
+    if (result i32) ;; label = @1
       i64.const 3
       call 0
       local.get 0
diff --git a/tests/expectations/gas/simple.wat b/tests/expectations/gas/simple.wat
index 42f0fd6..b1b7f56 100644
--- a/tests/expectations/gas/simple.wat
+++ b/tests/expectations/gas/simple.wat
@@ -6,10 +6,10 @@
     i64.const 2
     call 0
     i32.const 1
-    if  ;; label = @1
+    if ;; label = @1
       i64.const 1
       call 0
-      loop  ;; label = @2
+      loop ;; label = @2
         i64.const 2
         call 0
         i32.const 123
@@ -20,7 +20,7 @@
   (func (;2;) (type 0)
     i64.const 1
     call 0
-    block  ;; label = @1
+    block ;; label = @1
     end
   )
   (export "simple" (func 1))
diff --git a/tests/expectations/stack-height/empty_functions.wat b/tests/expectations/stack-height/empty_functions.wat
index a32b02c..8a13ffe 100644
--- a/tests/expectations/stack-height/empty_functions.wat
+++ b/tests/expectations/stack-height/empty_functions.wat
@@ -8,7 +8,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 0
@@ -25,7 +25,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 0
@@ -42,7 +42,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 1
diff --git a/tests/expectations/stack-height/global.wat b/tests/expectations/stack-height/global.wat
index 4add98c..4558b31 100644
--- a/tests/expectations/stack-height/global.wat
+++ b/tests/expectations/stack-height/global.wat
@@ -24,7 +24,7 @@
     global.get 1
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $i32.add
@@ -44,7 +44,7 @@
     global.get 1
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $i32.add
diff --git a/tests/expectations/stack-height/imports.wat b/tests/expectations/stack-height/imports.wat
index 9879822..9b43719 100644
--- a/tests/expectations/stack-height/imports.wat
+++ b/tests/expectations/stack-height/imports.wat
@@ -20,7 +20,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 2
diff --git a/tests/expectations/stack-height/many_locals.wat b/tests/expectations/stack-height/many_locals.wat
index 8893fdd..a6801b3 100644
--- a/tests/expectations/stack-height/many_locals.wat
+++ b/tests/expectations/stack-height/many_locals.wat
@@ -11,7 +11,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $one-group-many-locals
diff --git a/tests/expectations/stack-height/simple.wat b/tests/expectations/stack-height/simple.wat
index 4f83649..f47099e 100644
--- a/tests/expectations/stack-height/simple.wat
+++ b/tests/expectations/stack-height/simple.wat
@@ -12,7 +12,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 0
diff --git a/tests/expectations/stack-height/start.wat b/tests/expectations/stack-height/start.wat
index 1e82a84..25988e3 100644
--- a/tests/expectations/stack-height/start.wat
+++ b/tests/expectations/stack-height/start.wat
@@ -15,7 +15,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $start
@@ -32,7 +32,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 2
diff --git a/tests/expectations/stack-height/table.wat b/tests/expectations/stack-height/table.wat
index 56334c1..12cf982 100644
--- a/tests/expectations/stack-height/table.wat
+++ b/tests/expectations/stack-height/table.wat
@@ -13,7 +13,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $i32.add
@@ -37,7 +37,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call 1
@@ -56,7 +56,7 @@
     global.get 0
     i32.const 1024
     i32.gt_u
-    if  ;; label = @1
+    if ;; label = @1
       unreachable
     end
     call $i32.add