diff --git a/crypto/secp256k1/libsecp256k1/include/dummy.go b/crypto/secp256k1/libsecp256k1/include/dummy.go
new file mode 100644
index 0000000000..64c71b8451
--- /dev/null
+++ b/crypto/secp256k1/libsecp256k1/include/dummy.go
@@ -0,0 +1,8 @@
+//go:build dummy
+// +build dummy
+
+// Package c contains only a C file.
+//
+// This Go file is part of a workaround for `go mod vendor`.
+// Please see the file crypto/secp256k1/dummy.go for more information.
+package include
diff --git a/crypto/secp256k1/libsecp256k1/src/dummy.go b/crypto/secp256k1/libsecp256k1/src/dummy.go
new file mode 100644
index 0000000000..2df270adc3
--- /dev/null
+++ b/crypto/secp256k1/libsecp256k1/src/dummy.go
@@ -0,0 +1,8 @@
+//go:build dummy
+// +build dummy
+
+// Package c contains only a C file.
+//
+// This Go file is part of a workaround for `go mod vendor`.
+// Please see the file crypto/secp256k1/dummy.go for more information.
+package src
diff --git a/crypto/secp256k1/libsecp256k1/src/modules/dummy.go b/crypto/secp256k1/libsecp256k1/src/modules/dummy.go
new file mode 100644
index 0000000000..acaaed22cd
--- /dev/null
+++ b/crypto/secp256k1/libsecp256k1/src/modules/dummy.go
@@ -0,0 +1,8 @@
+//go:build dummy
+// +build dummy
+
+// Package c contains only a C file.
+//
+// This Go file is part of a workaround for `go mod vendor`.
+// Please see the file crypto/secp256k1/dummy.go for more information.
+package modules
diff --git a/crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go b/crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go
new file mode 100644
index 0000000000..8efbd7abe7
--- /dev/null
+++ b/crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go
@@ -0,0 +1,8 @@
+//go:build dummy
+// +build dummy
+
+// Package c contains only a C file.
+//
+// This Go file is part of a workaround for `go mod vendor`.
+// Please see the file crypto/secp256k1/dummy.go for more information.
+package recovery