diff --git a/src/if_perl.xs b/src/if_perl.xs
index 5b0449a..78a91aa 100644
--- a/src/if_perl.xs
+++ b/src/if_perl.xs
@@ -136,6 +136,9 @@
 #  define Perl_newXS_flags dll_Perl_newXS_flags
 #endif
 # define Perl_sv_free dll_Perl_sv_free
+# if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
+#  define Perl_sv_free2 dll_Perl_sv_free2
+# endif
 # define Perl_sv_isa dll_Perl_sv_isa
 # define Perl_sv_magic dll_Perl_sv_magic
 # define Perl_sv_setiv dll_Perl_sv_setiv
@@ -268,6 +271,7 @@
 static void (*boot_DynaLoader)_((pTHX_ CV*));
 
 #if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
+static void (*Perl_sv_free2)(pTHX_ SV*);
 static void (*Perl_sys_init3)(int* argc, char*** argv, char*** env);
 static void (*Perl_sys_term)(void);
 static SV** (*Perl_ISv_ptr)(register PerlInterpreter*);
@@ -367,6 +371,7 @@
     {"Perl_TXpv_ptr", (PERL_PROC*)&Perl_TXpv_ptr},
     {"Perl_Tna_ptr", (PERL_PROC*)&Perl_Tna_ptr},
 #else
+    {"Perl_sv_free2", (PERL_PROC*)&Perl_sv_free2},
     {"Perl_sys_init3", (PERL_PROC*)&Perl_sys_init3},
     {"Perl_sys_term", (PERL_PROC*)&Perl_sys_term},
     {"Perl_ISv_ptr", (PERL_PROC*)&Perl_ISv_ptr},
diff --git a/src/version.c b/src/version.c
index 16a0cee..cece550 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    9,
+/**/
     8,
 /**/
     7,