diff --git a/academic/ngspice/ngspice.SlackBuild b/academic/ngspice/ngspice.SlackBuild
index 988fcba6f0..f31d76c61b 100644
--- a/academic/ngspice/ngspice.SlackBuild
+++ b/academic/ngspice/ngspice.SlackBuild
@@ -7,7 +7,7 @@
 # Set initial variables:
 
 PRGNAM=ngspice
-VERSION=${VERSION:-32}
+VERSION=${VERSION:-33}
 BUILD=${BUILD:-4}
 TAG=${TAG:-_SBo}
 
diff --git a/academic/ngspice/ngspice.info b/academic/ngspice/ngspice.info
index bcfd3cf9bc..11dc9c8aa0 100644
--- a/academic/ngspice/ngspice.info
+++ b/academic/ngspice/ngspice.info
@@ -1,10 +1,10 @@
 PRGNAM="ngspice"
-VERSION="32"
+VERSION="33"
 HOMEPAGE="http://ngspice.sourceforge.net/"
-DOWNLOAD="https://sourceforge.net/projects/ngspice/files/ng-spice-rework/32/ngspice-32.tar.gz \
-          https://sourceforge.net/projects/ngspice/files/ng-spice-rework/32/ngspice-32-manual.pdf"
-MD5SUM="aa1bd834d0fb38a343ff25098248e594 \
-        a00d38daf4edbfb0bd8d6a9bcc7efb2d"
+DOWNLOAD="https://sourceforge.net/projects/ngspice/files/ng-spice-rework/33/ngspice-33.tar.gz \
+          https://sourceforge.net/projects/ngspice/files/ng-spice-rework/33/ngspice-33-manual.pdf"
+MD5SUM="c4cf9ce3b1a5da870d192f0418f7b507 \
+        435e7c73324cea31189a285aaa42d572"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="openmpi"