4 files changed, 4 insertions, 4 deletions
diff --git a/test/regress/regress4/bug337.smt2 b/test/regress/regress4/bug337.smt2
index b7a564a60..0bae96dd1 100644
--- a/test/regress/regress4/bug337.smt2
+++ b/test/regress/regress4/bug337.smt2
@@ -4,7 +4,7 @@ Unbounded version of the queue lock algorithm.
 
 
 |)
-(set-info :smt-lib-version 2.0)
+(set-info :smt-lib-version 2.6)
 (set-info :category "industrial")
 (set-info :status sat)
 (declare-fun x_0 () Int)
diff --git a/test/regress/regress4/bug396.smt2 b/test/regress/regress4/bug396.smt2
index 8e93cf447..639d4f7eb 100644
--- a/test/regress/regress4/bug396.smt2
+++ b/test/regress/regress4/bug396.smt2
@@ -11,7 +11,7 @@
 ; EXPECT: unsat
 ;(set-option :produce-unsat-cores true)
 (set-option :print-success false)
-(set-info :smt-lib-version 2.0)
+(set-info :smt-lib-version 2.6)
 ;(set-option :produce-models true)
 (set-logic ALL_SUPPORTED)
 ; done setting options
diff --git a/test/regress/regress4/miplib-pp08a-3000.smt2 b/test/regress/regress4/miplib-pp08a-3000.smt2
index edd77a9d1..ec420a8be 100644
--- a/test/regress/regress4/miplib-pp08a-3000.smt2
+++ b/test/regress/regress4/miplib-pp08a-3000.smt2
@@ -6,7 +6,7 @@ Relaxation of the Mixed-Integer Programming
 optimization problem pp08a from the MIPLIB (http://miplib.zib.de/)
 by Enric Rodriguez-Carbonell (erodri@lsi.upc.edu)
 |)
-(set-info :smt-lib-version 2.0)
+(set-info :smt-lib-version 2.6)
 (set-info :category "industrial")
 (set-info :status unsat)
 (declare-fun tmp75 () Real)
diff --git a/test/regress/regress4/xs-11-20-5-2-5-3.smt2 b/test/regress/regress4/xs-11-20-5-2-5-3.smt2
index bdf0d25ab..f5f75a641 100644
--- a/test/regress/regress4/xs-11-20-5-2-5-3.smt2
+++ b/test/regress/regress4/xs-11-20-5-2-5-3.smt2
@@ -1,6 +1,6 @@
 (set-logic QF_UFLIA)
 (set-info :source | MathSat group |)
-(set-info :smt-lib-version 2.0)
+(set-info :smt-lib-version 2.6)
 (set-info :category "industrial")
 (set-info :status unsat)
 (declare-fun fmt1 () Int)