diff --git a/src/thal.h b/src/thal.h
index 4bca459..396e268 100644
--- a/src/thal.h
+++ b/src/thal.h
@@ -1976,8 +1976,8 @@ fillMatrix2(int maxLoop)
 static int 
 symmetry_thermo(const unsigned char* seq)
 {
-   register char s;
-   register char e;
+   char s;
+   char e;
    const unsigned char *seq_end=seq;
    int i = 0;
    int seq_len=length_unsig_char(seq);
diff --git a/src/version.h b/src/version.h
index 8c222e2..781dc14 100644
--- a/src/version.h
+++ b/src/version.h
@@ -5,7 +5,7 @@ namespace dicey
 {
 
 
-  std::string diceyVersionNumber = "0.3.2";
+  std::string diceyVersionNumber = "0.3.3";
 
   inline 
   void printTitle(std::string const& title)