diff --git a/Changes b/Changes
index 26a7f83..36d85d1 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,13 @@ Revision history for Chart-Gnuplot
 
 {{$NEXT}}
 
+0.0.20  2021-05-01T13:26:55+09:00
+    - Fixes:
+      - Set TEXDIR explicitly for removing dependence on kpsewhich [#44]
+      - Use github actions instead of travis ci [#43]
+    - Additions:
+    - Efficiency:
+
 0.0.19  2020-07-26T15:43:28+09:00
     - Fixes:
       - Set pt instead of lt for recall-precision curve plotting
diff --git a/META6.json b/META6.json
index 8e3bbb8..271f5c7 100644
--- a/META6.json
+++ b/META6.json
@@ -40,5 +40,5 @@
   ],
   "test-depends": [
   ],
-  "version": "0.0.19"
+  "version": "0.0.20"
 }
diff --git a/lib/Chart/Gnuplot.pm6 b/lib/Chart/Gnuplot.pm6
index af00df2..4bbb23d 100644
--- a/lib/Chart/Gnuplot.pm6
+++ b/lib/Chart/Gnuplot.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot:ver<0.0.19>;
+unit class Chart::Gnuplot:ver<0.0.20>;
 
 use Chart::Gnuplot::Arrow;
 use Chart::Gnuplot::Border;
diff --git a/lib/Chart/Gnuplot/Arrow.pm6 b/lib/Chart/Gnuplot/Arrow.pm6
index c6c9b18..a0af6f9 100644
--- a/lib/Chart/Gnuplot/Arrow.pm6
+++ b/lib/Chart/Gnuplot/Arrow.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Arrow:ver<0.0.19>;
+unit class Chart::Gnuplot::Arrow:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Border.pm6 b/lib/Chart/Gnuplot/Border.pm6
index b76d506..ae06ff0 100644
--- a/lib/Chart/Gnuplot/Border.pm6
+++ b/lib/Chart/Gnuplot/Border.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Border:ver<0.0.19>;
+unit class Chart::Gnuplot::Border:ver<0.0.20>;
 
 use Chart::Gnuplot::Subset;
 
diff --git a/lib/Chart/Gnuplot/CustomBuilder.pm6 b/lib/Chart/Gnuplot/CustomBuilder.pm6
index b79f8d9..25e67db 100644
--- a/lib/Chart/Gnuplot/CustomBuilder.pm6
+++ b/lib/Chart/Gnuplot/CustomBuilder.pm6
@@ -9,7 +9,7 @@ use Zef::Fetch;
 use Zef::Extract;
 use Distribution::Builder::MakeFromJSON;
 
-class Chart::Gnuplot::CustomBuilder:ver<0.0.19> is Distribution::Builder::MakeFromJSON {
+class Chart::Gnuplot::CustomBuilder:ver<0.0.20> is Distribution::Builder::MakeFromJSON {
     method build(IO() $work-dir = $*CWD) {
         my $workdir = ~$work-dir;
         if $*DISTRO.is-win {
diff --git a/lib/Chart/Gnuplot/Grid.pm6 b/lib/Chart/Gnuplot/Grid.pm6
index 2bd54dd..bf3c02b 100644
--- a/lib/Chart/Gnuplot/Grid.pm6
+++ b/lib/Chart/Gnuplot/Grid.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Grid:ver<0.0.19>;
+unit class Chart::Gnuplot::Grid:ver<0.0.20>;
 
 use Chart::Gnuplot::Subset;
 
diff --git a/lib/Chart/Gnuplot/Label.pm6 b/lib/Chart/Gnuplot/Label.pm6
index fb8dc74..22b5a2b 100644
--- a/lib/Chart/Gnuplot/Label.pm6
+++ b/lib/Chart/Gnuplot/Label.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Label:ver<0.0.19>;
+unit class Chart::Gnuplot::Label:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Legend.pm6 b/lib/Chart/Gnuplot/Legend.pm6
index d3cc1cb..72b7e61 100644
--- a/lib/Chart/Gnuplot/Legend.pm6
+++ b/lib/Chart/Gnuplot/Legend.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Legend:ver<0.0.19>;
+unit class Chart::Gnuplot::Legend:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Object.pm6 b/lib/Chart/Gnuplot/Object.pm6
index 08babca..7f1296c 100644
--- a/lib/Chart/Gnuplot/Object.pm6
+++ b/lib/Chart/Gnuplot/Object.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Object:ver<0.0.19>;
+unit class Chart::Gnuplot::Object:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Output.pm6 b/lib/Chart/Gnuplot/Output.pm6
index eae6f79..90e647a 100644
--- a/lib/Chart/Gnuplot/Output.pm6
+++ b/lib/Chart/Gnuplot/Output.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Output:ver<0.0.19>;
+unit class Chart::Gnuplot::Output:ver<0.0.20>;
 
 has Str $!filename;
 has &!writer;
diff --git a/lib/Chart/Gnuplot/Range.pm6 b/lib/Chart/Gnuplot/Range.pm6
index d989b5b..b826648 100644
--- a/lib/Chart/Gnuplot/Range.pm6
+++ b/lib/Chart/Gnuplot/Range.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Range:ver<0.0.19>;
+unit class Chart::Gnuplot::Range:ver<0.0.20>;
 
 use Chart::Gnuplot::Subset;
 
diff --git a/lib/Chart/Gnuplot/Subset.pm6 b/lib/Chart/Gnuplot/Subset.pm6
index e708bae..b80f134 100644
--- a/lib/Chart/Gnuplot/Subset.pm6
+++ b/lib/Chart/Gnuplot/Subset.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit module Chart::Gnuplot::Subset:ver<0.0.19>;
+unit module Chart::Gnuplot::Subset:ver<0.0.20>;
 
 subset FalseOnly of Bool is export where { $_ ~~ Bool:U or $_ === False };
 subset TrueOnly of Bool is export where { $_ ~~ Bool:U or $_ === True};
diff --git a/lib/Chart/Gnuplot/Terminal.pm6 b/lib/Chart/Gnuplot/Terminal.pm6
index 8f0576a..fcf4e92 100644
--- a/lib/Chart/Gnuplot/Terminal.pm6
+++ b/lib/Chart/Gnuplot/Terminal.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Terminal:ver<0.0.19>;
+unit class Chart::Gnuplot::Terminal:ver<0.0.20>;
 
 has Str $!type;
 has &!writer;
diff --git a/lib/Chart/Gnuplot/Tics.pm6 b/lib/Chart/Gnuplot/Tics.pm6
index 2d22513..296c695 100644
--- a/lib/Chart/Gnuplot/Tics.pm6
+++ b/lib/Chart/Gnuplot/Tics.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Tics:ver<0.0.19>;
+unit class Chart::Gnuplot::Tics:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Timestamp.pm6 b/lib/Chart/Gnuplot/Timestamp.pm6
index 0509d1c..0b4ecf3 100644
--- a/lib/Chart/Gnuplot/Timestamp.pm6
+++ b/lib/Chart/Gnuplot/Timestamp.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Timestamp:ver<0.0.19>;
+unit class Chart::Gnuplot::Timestamp:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 use Chart::Gnuplot::Subset;
diff --git a/lib/Chart/Gnuplot/Title.pm6 b/lib/Chart/Gnuplot/Title.pm6
index a32e97b..2a8fd16 100644
--- a/lib/Chart/Gnuplot/Title.pm6
+++ b/lib/Chart/Gnuplot/Title.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Title:ver<0.0.19>;
+unit class Chart::Gnuplot::Title:ver<0.0.20>;
 
 use Chart::Gnuplot::Util;
 
diff --git a/lib/Chart/Gnuplot/Util.pm6 b/lib/Chart/Gnuplot/Util.pm6
index af03829..12ec179 100644
--- a/lib/Chart/Gnuplot/Util.pm6
+++ b/lib/Chart/Gnuplot/Util.pm6
@@ -1,5 +1,5 @@
 use v6;
-unit class Chart::Gnuplot::Util:ver<0.0.19>;
+unit class Chart::Gnuplot::Util:ver<0.0.20>;
 
 use Chart::Gnuplot::Subset;