diff --git a/liberty/LibertyParse.yy b/liberty/LibertyParse.yy
index df362a2e..9d75f238 100644
--- a/liberty/LibertyParse.yy
+++ b/liberty/LibertyParse.yy
@@ -38,11 +38,12 @@
 #define loc_line(loc) loc.begin.line
 %}
 
-%require  "3.0"
+%require  "3.2"
 %skeleton "lalr1.cc"
 %debug
 %define api.namespace {sta}
 %locations
+%define api.location.file "LibertyLocation.hh"
 %define parse.assert
 %parse-param { LibertyScanner *scanner }
 %parse-param { LibertyParser *reader }
diff --git a/liberty/LibertyScanner.hh b/liberty/LibertyScanner.hh
index 4e35c0cd..54eaf12a 100644
--- a/liberty/LibertyScanner.hh
+++ b/liberty/LibertyScanner.hh
@@ -30,7 +30,7 @@
 #include <FlexLexer.h>
 #endif
 
-#include "location.hh"
+#include "LibertyLocation.hh"
 #include "LibertyParse.hh"
 
 namespace sta {
diff --git a/sdf/SdfParse.yy b/sdf/SdfParse.yy
index 1730daf7..023433b7 100644
--- a/sdf/SdfParse.yy
+++ b/sdf/SdfParse.yy
@@ -35,11 +35,12 @@
 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
 %}
 
-%require  "3.0"
+%require  "3.2"
 %skeleton "lalr1.cc"
 %debug
 %define api.namespace {sta}
 %locations
+%define api.location.file "SdfLocation.hh"
 %define parse.assert
 %parse-param { SdfScanner *scanner }
 %parse-param { SdfReader *reader }
diff --git a/sdf/SdfScanner.hh b/sdf/SdfScanner.hh
index ef74ccd3..4e4bd9ec 100644
--- a/sdf/SdfScanner.hh
+++ b/sdf/SdfScanner.hh
@@ -30,7 +30,7 @@
 #include <FlexLexer.h>
 #endif
 
-#include "location.hh"
+#include "SdfLocation.hh"
 #include "SdfParse.hh"
 
 namespace sta {
diff --git a/verilog/VerilogParse.yy b/verilog/VerilogParse.yy
index c020c601..c06bb7a7 100644
--- a/verilog/VerilogParse.yy
+++ b/verilog/VerilogParse.yy
@@ -48,11 +48,12 @@ sta::VerilogParse::error(const location_type &loc,
 }
 %}
 
-%require  "3.0"
+%require  "3.2"
 %skeleton "lalr1.cc"
 %debug
 %define api.namespace {sta}
 %locations
+%define api.location.file "VerilogLocation.hh"
 %define parse.assert
 %parse-param { VerilogScanner *scanner }
 %parse-param { VerilogReader *reader }
diff --git a/verilog/VerilogScanner.hh b/verilog/VerilogScanner.hh
index 2a080ac9..94838685 100644
--- a/verilog/VerilogScanner.hh
+++ b/verilog/VerilogScanner.hh
@@ -30,7 +30,7 @@
 #include <FlexLexer.h>
 #endif
 
-#include "location.hh"
+#include "VerilogLocation.hh"
 #include "VerilogParse.hh"
 
 namespace sta {