diff --git a/pkgs/by-name/ap/applgrid/bad_code.patch b/pkgs/by-name/ap/applgrid/bad_code.patch
deleted file mode 100644
index e90000efe2db..000000000000
--- a/pkgs/by-name/ap/applgrid/bad_code.patch
+++ /dev/null
@@ -1,50 +0,0 @@
-diff --git a/appl_grid/appl_grid.h b/appl_grid/appl_grid.h
-index 5059622..a0651c9 100644
---- a/appl_grid/appl_grid.h
-+++ b/appl_grid/appl_grid.h
-@@ -56,7 +56,7 @@ public:
-   class exception : public std::exception { 
-   public:
-     exception(const std::string& s) { std::cerr << what() << " " << s << std::endl; }; 
--    exception(std::ostream& s)      { std::cerr << what() << " " << s << std::endl; }; 
-+    exception(std::ostream& s)      { s << what() << " " << std::endl; }; 
-     virtual const char* what() const throw() { return "appl::grid::exception"; }
-   };
- 
-diff --git a/appl_grid/appl_pdf.h b/appl_grid/appl_pdf.h
-index c71fd84..2525527 100644
---- a/appl_grid/appl_pdf.h
-+++ b/appl_grid/appl_pdf.h
-@@ -51,7 +51,7 @@ public:
-   class exception : public std::exception { 
-   public: 
-     exception(const std::string& s="") { std::cerr << what() << " " << s << std::endl; }; 
--    exception(std::ostream& s)         { std::cerr << what() << " " << s << std::endl; }; 
-+    exception(std::ostream& s)         { s << " " << std::endl; }; 
-     const char* what() const throw() { return "appl::appl_pdf::exception "; }
-   };
-   
-diff --git a/src/appl_igrid.h b/src/appl_igrid.h
-index d25288e..be354df 100644
---- a/src/appl_igrid.h
-+++ b/src/appl_igrid.h
-@@ -52,7 +52,7 @@ private:
-   class exception { 
-   public:
-     exception(const std::string& s) { std::cerr << s << std::endl; }; 
--    exception(std::ostream& s)      { std::cerr << s << std::endl; }; 
-+    exception(std::ostream& s)      { s << std::endl; }; 
-   };
- 
-   typedef double (igrid::*transform_t)(double) const;
-diff --git a/src/lumi_pdf.cxx b/src/lumi_pdf.cxx
---- a/src/lumi_pdf.cxx
-+++ b/src/lumi_pdf.cxx
-@@ -235,6 +235,6 @@ void lumi_pdf::write(const std::string& filename) const {
- // std::string lumi_pdf::summary(std::ostream& s=std::cout) const { 
- std::string lumi_pdf::summary() const { 
-   std::stringstream s;
--  s << "lumi_pdf::lumi_pdf() " << s << "\tsize " << m_combinations.size() << " lookup size " << m_lookup.size() << " " << this; 
-+  s << "lumi_pdf::lumi_pdf() " << "\tsize " << m_combinations.size() << " lookup size " << m_lookup.size() << " " << this; 
-   return s.str();
- }
diff --git a/pkgs/by-name/ap/applgrid/package.nix b/pkgs/by-name/ap/applgrid/package.nix
index 54ea06eb8e29..66353890cda8 100644
--- a/pkgs/by-name/ap/applgrid/package.nix
+++ b/pkgs/by-name/ap/applgrid/package.nix
@@ -11,13 +11,17 @@
 
 stdenv.mkDerivation rec {
   pname = "applgrid";
-  version = "1.4.70";
+  version = "1.6.27";
 
   src = fetchurl {
     url = "https://www.hepforge.org/archive/applgrid/${pname}-${version}.tgz";
-    sha256 = "1yw9wrk3vjv84kd3j4s1scfhinirknwk6xq0hvj7x2srx3h93q9p";
+    hash = "sha256-h+ZNGj33FIwg4fOCyfGJrUKM2vDDQl76JcLhtboAOtc=";
   };
 
+  postPatch = ''
+    sed -i appl_grid/serialise_base.h -e '1i#include <cstdint>'
+  '';
+
   nativeBuildInputs = [ gfortran ];
 
   # For some reason zlib was only needed after bump to gfortran8
@@ -28,16 +32,14 @@ stdenv.mkDerivation rec {
     zlib
   ];
 
-  patches = [ ./bad_code.patch ];
-
   preConfigure =
     ''
       substituteInPlace src/Makefile.in \
-        --replace "-L\$(subst /libgfortran.a, ,\$(FRTLIB) )" "-L${gfortran.cc.lib}/lib"
+        --replace-fail "-L\$(subst /libgfortran.a, ,\$(FRTLIB) )" "-L${gfortran.cc.lib}/lib"
     ''
     + (lib.optionalString stdenv.hostPlatform.isDarwin ''
       substituteInPlace src/Makefile.in \
-        --replace "gfortran -print-file-name=libgfortran.a" "gfortran -print-file-name=libgfortran.dylib"
+        --replace-fail "gfortran -print-file-name=libgfortran.a" "gfortran -print-file-name=libgfortran.dylib"
     '');
 
   enableParallelBuilding = false; # broken