diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..74d17f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/cel-spec-0.5.0.tar.gz
diff --git a/golang-github-google-cel-spec.spec b/golang-github-google-cel-spec.spec
new file mode 100644
index 0000000..f6a992c
--- /dev/null
+++ b/golang-github-google-cel-spec.spec
@@ -0,0 +1,71 @@
+# Generated by go2rpm 1.3
+%bcond_without check
+
+# https://github.com/google/cel-spec
+%global goipath         github.com/google/cel-spec
+Version:                0.5.0
+
+%gometa
+
+%global common_description %{expand:
+The Common Expression Language (CEL) implements common semantics for expression
+evaluation, enabling different applications to more easily interoperate.}
+
+%global golicenses      LICENSE
+%global godocs          doc CODE_OF_CONDUCT.md CONTRIBUTING.md GOVERNANCE.md\\\
+                        README.md MAINTAINERS.md
+
+Name:           %{goname}
+Release:        1%{?dist}
+Summary:        Common Expression Language, specification and binary representation
+
+# Upstream license specification: Apache-2.0
+License:        ASL 2.0
+URL:            %{gourl}
+Source0:        %{gosource}
+
+BuildRequires:  golang(github.com/golang/protobuf/proto)
+BuildRequires:  golang(github.com/golang/protobuf/ptypes/any)
+BuildRequires:  golang(github.com/golang/protobuf/ptypes/duration)
+BuildRequires:  golang(github.com/golang/protobuf/ptypes/struct)
+BuildRequires:  golang(github.com/golang/protobuf/ptypes/timestamp)
+BuildRequires:  golang(github.com/golang/protobuf/ptypes/wrappers)
+BuildRequires:  golang(google.golang.org/genproto/googleapis/api/expr/conformance/v1alpha1)
+BuildRequires:  golang(google.golang.org/genproto/googleapis/api/expr/v1alpha1)
+BuildRequires:  golang(google.golang.org/genproto/googleapis/rpc/status)
+BuildRequires:  golang(google.golang.org/grpc)
+BuildRequires:  golang(google.golang.org/grpc/codes)
+BuildRequires:  golang(google.golang.org/grpc/reflection)
+BuildRequires:  golang(google.golang.org/grpc/status)
+BuildRequires:  golang(google.golang.org/protobuf/encoding/prototext)
+BuildRequires:  golang(google.golang.org/protobuf/proto)
+BuildRequires:  golang(google.golang.org/protobuf/reflect/protoreflect)
+BuildRequires:  golang(google.golang.org/protobuf/runtime/protoimpl)
+
+%if %{with check}
+# Tests
+BuildRequires:  golang(google.golang.org/protobuf/types/known/anypb)
+BuildRequires:  golang(google.golang.org/protobuf/types/known/structpb)
+%endif
+
+%description
+%{common_description}
+
+%gopkg
+
+%prep
+%goprep
+
+%install
+%gopkginstall
+
+%if %{with check}
+%check
+%gocheck -d tests/envcheck -d tests/simple
+%endif
+
+%gopkgfiles
+
+%changelog
+* Wed Dec 23 09:29:37 CET 2020 Robert-André Mauchin <zebob.m@gmail.com> - 0.5.0-1
+- Initial package
diff --git a/sources b/sources
new file mode 100644
index 0000000..958f2d7
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (cel-spec-0.5.0.tar.gz) = 2088b8f80722342eb020bf4ba49e797293c971ea085027fce5bd6a3a6f478f8bb1b783add80351d12a6b05d745fabdd8f89ab4f256011b7d67518d2f068b0447