diff --git a/Makefile b/Makefile
index 9cb36d5..4407f50 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,7 @@ parser/%arser_golden.y: parser/%arser.y
 	@(git diff --no-index --exit-code $< $@ && rm $@) || (mv $@ $< && >&2 echo "formatted $<" && exit 1)
 
 bin/goyacc: goyacc/main.go goyacc/format_yacc.go
-	GO111MODULE=on go build -o bin/goyacc goyacc/main.go goyacc/format_yacc.go
+	GO111MODULE=on go build -C goyacc -o ../bin/goyacc .
 
 fmt: bin/goyacc parser/parser_golden.y parser/hintparser_golden.y
 	@echo "gofmt (simplify)"
diff --git a/go.mod b/go.mod
index 1a9bce0..042ce88 100644
--- a/go.mod
+++ b/go.mod
@@ -2,16 +2,4 @@ module github.com/sqlc-dev/marino
 
 go 1.25
 
-require (
-	golang.org/x/text v0.19.0
-	modernc.org/mathutil v1.6.0
-	modernc.org/parser v1.1.0
-	modernc.org/sortutil v1.2.0
-	modernc.org/strutil v1.2.0
-	modernc.org/y v1.1.0
-)
-
-require (
-	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	modernc.org/golex v1.1.0 // indirect
-)
+require golang.org/x/text v0.19.0
diff --git a/go.sum b/go.sum
index 1f54caa..a68dcab 100644
--- a/go.sum
+++ b/go.sum
@@ -1,26 +1,2 @@
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
-github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-golang.org/x/exp v0.0.0-20181106170214-d68db9428509/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
 golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-modernc.org/fileutil v1.1.2/go.mod h1:HdjlliqRHrMAI4nVOvvpYVzVgvRSK7WnoCiG0GUWJNo=
-modernc.org/golex v1.0.5/go.mod h1:pTY7KKjdvZbv2ROjfp6FFX5BXMM9QWZEnmCsl60aCfI=
-modernc.org/golex v1.1.0 h1:dmSaksHMd+y6NkBsRsCShNPRaSNCNH+abrVm5/gZic8=
-modernc.org/golex v1.1.0/go.mod h1:2pVlfqApurXhR1m0N+WDYu6Twnc4QuvO4+U8HnwoiRA=
-modernc.org/lex v1.1.1/go.mod h1:6r8o8DLJkAnOsQaGi8fMoi+Vt6LTbDaCrkUK729D8xM=
-modernc.org/lexer v1.0.4/go.mod h1:tOajb8S4sdfOYitzCgXDFmbVJ/LE0v1fNJ7annTw36U=
-modernc.org/mathutil v1.5.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
-modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
-modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
-modernc.org/parser v1.0.8/go.mod h1:gSb1YDm/lCtL9U4M6+HIk2JfFiGgguEJUjZlIdK3I0g=
-modernc.org/parser v1.1.0 h1:XoClYpoz2xHEDIteSQ7tICOTFcNwBI7XRCeghUS6SNI=
-modernc.org/parser v1.1.0/go.mod h1:CXl3OTJRZij8FeMpzI3Id/bjupHf0u9HSrCUP4Z9pbA=
-modernc.org/scanner v1.1.0/go.mod h1:pDSh3vhQZeHFCjpcSzhDsvDIDOku2b/DdagPGXkK35o=
-modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
-modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
-modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
-modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
-modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
-modernc.org/y v1.1.0 h1:JdIvLry+rKeSsVNRCdr6YWYimwwNm0GXtzxid77VfWc=
-modernc.org/y v1.1.0/go.mod h1:Iz3BmyIS4OwAbwGaUS7cqRrLsSsfp2sFWtpzX+P4CsE=
diff --git a/goyacc/go.mod b/goyacc/go.mod
new file mode 100644
index 0000000..f0bbee2
--- /dev/null
+++ b/goyacc/go.mod
@@ -0,0 +1,19 @@
+module github.com/sqlc-dev/marino/goyacc
+
+go 1.25
+
+require (
+	github.com/sqlc-dev/marino v0.0.0
+	modernc.org/mathutil v1.6.0
+	modernc.org/parser v1.1.0
+	modernc.org/sortutil v1.2.0
+	modernc.org/strutil v1.2.0
+	modernc.org/y v1.1.0
+)
+
+require (
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	modernc.org/golex v1.1.0 // indirect
+)
+
+replace github.com/sqlc-dev/marino => ../
diff --git a/goyacc/go.sum b/goyacc/go.sum
new file mode 100644
index 0000000..8c23168
--- /dev/null
+++ b/goyacc/go.sum
@@ -0,0 +1,24 @@
+github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+golang.org/x/exp v0.0.0-20181106170214-d68db9428509/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+modernc.org/fileutil v1.1.2/go.mod h1:HdjlliqRHrMAI4nVOvvpYVzVgvRSK7WnoCiG0GUWJNo=
+modernc.org/golex v1.0.5/go.mod h1:pTY7KKjdvZbv2ROjfp6FFX5BXMM9QWZEnmCsl60aCfI=
+modernc.org/golex v1.1.0 h1:dmSaksHMd+y6NkBsRsCShNPRaSNCNH+abrVm5/gZic8=
+modernc.org/golex v1.1.0/go.mod h1:2pVlfqApurXhR1m0N+WDYu6Twnc4QuvO4+U8HnwoiRA=
+modernc.org/lex v1.1.1/go.mod h1:6r8o8DLJkAnOsQaGi8fMoi+Vt6LTbDaCrkUK729D8xM=
+modernc.org/lexer v1.0.4/go.mod h1:tOajb8S4sdfOYitzCgXDFmbVJ/LE0v1fNJ7annTw36U=
+modernc.org/mathutil v1.5.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
+modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
+modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
+modernc.org/parser v1.0.8/go.mod h1:gSb1YDm/lCtL9U4M6+HIk2JfFiGgguEJUjZlIdK3I0g=
+modernc.org/parser v1.1.0 h1:XoClYpoz2xHEDIteSQ7tICOTFcNwBI7XRCeghUS6SNI=
+modernc.org/parser v1.1.0/go.mod h1:CXl3OTJRZij8FeMpzI3Id/bjupHf0u9HSrCUP4Z9pbA=
+modernc.org/scanner v1.1.0/go.mod h1:pDSh3vhQZeHFCjpcSzhDsvDIDOku2b/DdagPGXkK35o=
+modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
+modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
+modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
+modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
+modernc.org/y v1.1.0 h1:JdIvLry+rKeSsVNRCdr6YWYimwwNm0GXtzxid77VfWc=
+modernc.org/y v1.1.0/go.mod h1:Iz3BmyIS4OwAbwGaUS7cqRrLsSsfp2sFWtpzX+P4CsE=