match a bit more robustly
diff --git a/.travis/install.sh b/.travis/install.sh
index 2f2925c..12cd77c 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -76,9 +76,9 @@
             cd openssl-$OPENSSL_VERSION_NUMBER
             ./config shared no-asm no-ssl2 -fPIC --prefix="$HOME/$OPENSSL_DIR"
             # modify the shlib version to a unique one to make sure it doesn't load the system one.
-            sed -i "s/^SHLIB_MAJOR=[0-9]/SHLIB_MAJOR=100/" Makefile
-            sed -i "s/^SHLIB_MINOR=[0-9].[0-9]/SHLIB_MINOR=0.0/" Makefile
-            sed -i "s/^SHLIB_VERSION_NUMBER=[0-9].[0-9].[0-9]/SHLIB_VERSION_NUMBER=100.0.0/" Makefile
+            sed -i "s/^SHLIB_MAJOR=.*/SHLIB_MAJOR=100/" Makefile
+            sed -i "s/^SHLIB_MINOR=.*/SHLIB_MINOR=0\.0/" Makefile
+            sed -i "s/^SHLIB_VERSION_NUMBER=.*/SHLIB_VERSION_NUMBER=100\.0\.0/" Makefile
             make depend
             make install
         fi