diff --git a/ngspice.spec b/ngspice.spec
index 61b80f7..7f38e8c 100644
--- a/ngspice.spec
+++ b/ngspice.spec
@@ -5,8 +5,8 @@
 #	- Provides tclspice capabilities
 # Chitlesh Goorah
 
-%global	userelease	1
-%global	usegitbare	0
+%global	userelease	0
+%global	usegitbare	1
 
 %if 0%{?usegitbare} < 1
 # force
@@ -23,12 +23,12 @@
 
 %if 0%{?usegitbare} >= 1
 # pre-master-45
-%global	gitcommit	1d0beb5e266420b1dd756913356a295ddb60fdce
-%global	gitdate	20250830
+%global	gitcommit	660ca46667b302079649bb54458427338cfa7822
+%global	gitdate	20260109
 %global	shortcommit	%(c=%{gitcommit}; echo ${c:0:7})
 
-%global	tarballdate	20250831
-%global	tarballtime	2034
+%global	tarballdate	20260113
+%global	tarballtime	2237
 %endif
 
 %if	0%{?userelease} >= 1
@@ -38,7 +38,7 @@
 %global	fedoraver		%{majorver}%{?minorver:.%minorver}^%{gitdate}git%{shortcommit}
 %endif
 
-%global	use_gcc_strict_sanitize	0
+%global	use_gcc_strict_sanitize	1
 
 %global	flagrel	%{nil}
 %if		0%{?use_gcc_strict_sanitize} >= 1
diff --git a/sources b/sources
index a6f3db9..b73fa6e 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (ngspice-45.2.tar.gz) = 4090e9433457c0b49dc1e7561bc630a5c6a340391f26be8142c6bd514ae13b72137589964fe9ae5a01069c9de7d8457bd41b0811a335b2c93a3c6e07044b35b1
+SHA512 (ngspice-20260113T2237.tar.gz) = 60dfbd63f46868e31e8ea3ce89d49d7a60c6813a41791329d071c8a09cc316a22aa9465d8d32766e73562909f8dc934da67ae5f1c5bdf4dcb1bb2a96200a70b2
 SHA512 (ngspice-45-manual.pdf) = 425d9320a01d409c7baab83d111f92643cae7df62a109e06d7e4fd366262441f4fdd62532db63fb4d4af4cb98e478b4f9fca5bd6c63fb89507dba685220f34ab