diff --git a/office/convertlit/convertlit.SlackBuild b/office/convertlit/convertlit.SlackBuild
index 4ae4e22599..50b4b958de 100644
--- a/office/convertlit/convertlit.SlackBuild
+++ b/office/convertlit/convertlit.SlackBuild
@@ -11,9 +11,11 @@
 # the package name, but not the actual executable. I've renamed the binary
 # to convertlit to keep things SFW.
 
+# 20170131 bkw: BUILD=3, REQUIRES was ltm, now libtommath
+
 PRGNAM=convertlit
 VERSION=${VERSION:-1.8}
-BUILD=${BUILD:-2}
+BUILD=${BUILD:-3}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
diff --git a/office/convertlit/convertlit.info b/office/convertlit/convertlit.info
index 2b24f04e5c..caae3f35e1 100644
--- a/office/convertlit/convertlit.info
+++ b/office/convertlit/convertlit.info
@@ -5,6 +5,6 @@ DOWNLOAD="http://www.convertlit.com/convertlit18src.zip"
 MD5SUM="d691d4729485fe5d73e3f0937d8fb42e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="ltm"
+REQUIRES="libtommath"
 MAINTAINER="B. Watson"
 EMAIL="yalhcru@gmail.com"