diff --git a/solvers/gecode/gecode.cc b/solvers/gecode/gecode.cc
index a7aca3ee2..a0d8057e5 100644
--- a/solvers/gecode/gecode.cc
+++ b/solvers/gecode/gecode.cc
@@ -401,7 +401,7 @@ std::string GecodeSolver::GetOptionHeader() {
 }
 
 GecodeSolver::GecodeSolver()
-: Solver<GecodeSolver>("gecode", "gecode " GECODE_VERSION, 20130703),
+: Solver<GecodeSolver>("gecode", "gecode " GECODE_VERSION, 20130812),
   output_(false), output_frequency_(1), output_count_(0),
   icl_(Gecode::ICL_DEF),
   var_branching_(IntVarBranch::SEL_SIZE_MIN),
diff --git a/solvers/ilogcp/ilogcp_date.h b/solvers/ilogcp/ilogcp_date.h
index a69cbb20c..d834f222b 100644
--- a/solvers/ilogcp/ilogcp_date.h
+++ b/solvers/ilogcp/ilogcp_date.h
@@ -1,3 +1,3 @@
-#define YYYYMMDD 20130415
-#define qYYYYMMDD "20130415"
-#define lYYYYMMDD 20130415
+#define YYYYMMDD 20130812
+#define qYYYYMMDD "20130812"
+#define lYYYYMMDD 20130812
diff --git a/solvers/jacop/jacop.cc b/solvers/jacop/jacop.cc
index 0f29fb0e8..12a8d4347 100644
--- a/solvers/jacop/jacop.cc
+++ b/solvers/jacop/jacop.cc
@@ -291,7 +291,7 @@ void JaCoPSolver::HandleUnknownOption(const char *name) {
 }
 
 JaCoPSolver::JaCoPSolver()
-: Solver<JaCoPSolver>("jacop", 0, 20130701),
+: Solver<JaCoPSolver>("jacop", 0, 20130812),
   outlev_(0), output_frequency_(1), output_count_(0),
   var_select_("SmallestDomain"), val_select_("IndomainMin"),
   time_limit_(-1), node_limit_(-1), fail_limit_(-1),