diff --git a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListing.java b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListing.java
index 62577e94cc..fca196b464 100644
--- a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListing.java
+++ b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListing.java
@@ -163,7 +163,12 @@ private static boolean canSort(Tree array, VisitorState state) {
 
     /* For now we don't force sorting on numeric types. */
     return Stream.of(
-            symtab.annotationType, symtab.classType, symtab.enumSym.type, symtab.stringType)
+            symtab.annotationType,
+            symtab.booleanType,
+            symtab.charType,
+            symtab.classType,
+            symtab.enumSym.type,
+            symtab.stringType)
         .anyMatch(t -> ASTHelpers.isSubtype(elemType, t, state));
   }
 
diff --git a/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListingTest.java b/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListingTest.java
index da842fd92a..b73458a5e3 100644
--- a/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListingTest.java
+++ b/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/LexicographicalAnnotationAttributeListingTest.java
@@ -29,6 +29,10 @@ void identification() {
             "  @interface Foo {",
             "    String[] value() default {};",
             "",
+            "    boolean[] bools() default {};",
+            "",
+            "    char[] chars() default {};",
+            "",
             "    int[] ints() default {};",
             "",
             "    Class<?>[] cls() default {};",
@@ -69,6 +73,32 @@ void identification() {
             "  @Foo({\"a\", \"A\"})",
             "  A unsortedStringCaseInsensitiveWithTotalOrderFallback();",
             "",
+            "  @Foo(bools = {})",
+            "  A noBools();",
+            "",
+            "  @Foo(bools = {false})",
+            "  A oneBool();",
+            "",
+            "  @Foo(bools = {false, true})",
+            "  A sortedBools();",
+            "",
+            "  // BUG: Diagnostic contains:",
+            "  @Foo(bools = {true, false})",
+            "  A unsortedBools();",
+            "",
+            "  @Foo(chars = {})",
+            "  A noChars();",
+            "",
+            "  @Foo(chars = {'a'})",
+            "  A oneChar();",
+            "",
+            "  @Foo(chars = {'a', 'b'})",
+            "  A sortedChars();",
+            "",
+            "  // BUG: Diagnostic contains:",
+            "  @Foo(chars = {'b', 'a'})",
+            "  A unsortedChars();",
+            "",
             "  @Foo(ints = {})",
             "  A noInts();",
             "",
@@ -173,6 +203,10 @@ LexicographicalAnnotationAttributeListing.class, getClass())
             "  @interface Foo {",
             "    String[] value() default {};",
             "",
+            "    boolean[] bools() default {};",
+            "",
+            "    char[] chars() default {};",
+            "",
             "    Class<?>[] cls() default {};",
             "",
             "    RoundingMode[] enums() default {};",
@@ -185,7 +219,13 @@ LexicographicalAnnotationAttributeListing.class, getClass())
             "  }",
             "",
             "  @Foo({\" \", \"\", \"b\", \"a\"})",
-            "  A unsortedString();",
+            "  A unsortedStrings();",
+            "",
+            "  @Foo(bools = {true, false})",
+            "  A unsortedBooleans();",
+            "",
+            "  @Foo(chars = {'b', 'a'})",
+            "  A unsortedChars();",
             "",
             "  @Foo(cls = {long.class, int.class})",
             "  A unsortedClasses();",
@@ -210,6 +250,10 @@ LexicographicalAnnotationAttributeListing.class, getClass())
             "  @interface Foo {",
             "    String[] value() default {};",
             "",
+            "    boolean[] bools() default {};",
+            "",
+            "    char[] chars() default {};",
+            "",
             "    Class<?>[] cls() default {};",
             "",
             "    RoundingMode[] enums() default {};",
@@ -222,7 +266,13 @@ LexicographicalAnnotationAttributeListing.class, getClass())
             "  }",
             "",
             "  @Foo({\"\", \" \", \"a\", \"b\"})",
-            "  A unsortedString();",
+            "  A unsortedStrings();",
+            "",
+            "  @Foo(bools = {false, true})",
+            "  A unsortedBooleans();",
+            "",
+            "  @Foo(chars = {'a', 'b'})",
+            "  A unsortedChars();",
             "",
             "  @Foo(cls = {int.class, long.class})",
             "  A unsortedClasses();",
diff --git a/error-prone-utils/src/test/java/tech/picnic/errorprone/utils/ThirdPartyLibraryTest.java b/error-prone-utils/src/test/java/tech/picnic/errorprone/utils/ThirdPartyLibraryTest.java
index ac713c5589..06bfd5c5f4 100644
--- a/error-prone-utils/src/test/java/tech/picnic/errorprone/utils/ThirdPartyLibraryTest.java
+++ b/error-prone-utils/src/test/java/tech/picnic/errorprone/utils/ThirdPartyLibraryTest.java
@@ -73,7 +73,7 @@ void isIntroductionAllowedWitnessClassesNotOnClassPath() {
   }
 
   @ParameterizedTest
-  @ValueSource(booleans = {true, false})
+  @ValueSource(booleans = {false, true})
   void isIntroductionAllowedIgnoreClasspathCompat(boolean ignoreClassPath) {
     CompilationTestHelper.newInstance(IsIntroductionAllowedTestChecker.class, getClass())
         .setArgs("-XepOpt:ErrorProneSupport:IgnoreClasspathCompat=" + ignoreClassPath)