diff --git a/src/pcre2.h.generic b/src/pcre2.h.generic
index baa709512..ef5d9b7b0 100644
--- a/src/pcre2.h.generic
+++ b/src/pcre2.h.generic
@@ -321,6 +321,8 @@ pcre2_pattern_convert(). */
 #define PCRE2_ERROR_TOO_MANY_CAPTURES              197
 #define PCRE2_ERROR_CONDITION_ATOMIC_ASSERTION_EXPECTED  198
 #define PCRE2_ERROR_BACKSLASH_K_IN_LOOKAROUND      199
+#define PCRE2_ERROR_MAX_VAR_LOOKBEHIND_EXCEEDED    200
+#define PCRE2_ERROR_PATTERN_COMPILED_SIZE_TOO_BIG  201
 
 
 /* "Expected" matching error codes: no match and partial match. */
diff --git a/src/pcre2.h.in b/src/pcre2.h.in
index 2f6b4e866..92f68842f 100644
--- a/src/pcre2.h.in
+++ b/src/pcre2.h.in
@@ -321,6 +321,8 @@ pcre2_pattern_convert(). */
 #define PCRE2_ERROR_TOO_MANY_CAPTURES              197
 #define PCRE2_ERROR_CONDITION_ATOMIC_ASSERTION_EXPECTED  198
 #define PCRE2_ERROR_BACKSLASH_K_IN_LOOKAROUND      199
+#define PCRE2_ERROR_MAX_VAR_LOOKBEHIND_EXCEEDED    200
+#define PCRE2_ERROR_PATTERN_COMPILED_SIZE_TOO_BIG  201
 
 
 /* "Expected" matching error codes: no match and partial match. */