diff --git a/build_sketchcollector.sh b/build_sketchcollector.sh
index 5257c835..1fb1317b 100755
--- a/build_sketchcollector.sh
+++ b/build_sketchcollector.sh
@@ -82,6 +82,9 @@ SKETCHCOL_DIR="${PATCH_DIR}/cmd/sketchcollector"
 if ! grep -qE "^replace[[:space:]]+github\.com/ProjectASAP/sketchlib-go" "${SKETCHCOL_DIR}/go.mod" 2>/dev/null; then
   echo "replace github.com/ProjectASAP/sketchlib-go => ${ROOT_DIR}/../sketchlib-go" >> "${SKETCHCOL_DIR}/go.mod"
 fi
+if ! grep -qE "^replace[[:space:]]+github\.com/ProjectASAP/asap-precompute-go" "${SKETCHCOL_DIR}/go.mod" 2>/dev/null; then
+  echo "replace github.com/ProjectASAP/asap-precompute-go => ${ROOT_DIR}/asap-precompute-go" >> "${SKETCHCOL_DIR}/go.mod"
+fi
 
 cd "${SKETCHCOL_DIR}"
 GONOSUMCHECK="github.com/ProjectASAP/*" GONOSUMDB="github.com/ProjectASAP/*" go build -o sketchcollector . 2>&1
diff --git a/opentelemetry-collector-contrib-patch/cmd/sketchcollector/builder-config.yaml b/opentelemetry-collector-contrib-patch/cmd/sketchcollector/builder-config.yaml
index 6039268c..41998b94 100644
--- a/opentelemetry-collector-contrib-patch/cmd/sketchcollector/builder-config.yaml
+++ b/opentelemetry-collector-contrib-patch/cmd/sketchcollector/builder-config.yaml
@@ -322,3 +322,12 @@ replaces:
   # published commit and ApplyDelta / SerializeMsgpack /
   # NewFromState constructors would not resolve.
   - github.com/ProjectASAP/sketchlib-go => ../../../../sketchlib-go
+  # asap-precompute-go is a private module living as a sibling
+  # subdirectory of this repo (ASAPCollector/asap-precompute-go).
+  # Same redirect intent as sketchlib-go but a different path: the
+  # OCB-generated cmd/sketchcollector/go.mod lives 3 dirs deep under
+  # the ASAPCollector repo root (`./opentelemetry-collector-contrib-patch/cmd/sketchcollector`),
+  # so ../../../asap-precompute-go resolves to the in-repo subdirectory.
+  # (sketchlib-go uses one extra `..` because it lives as a sibling
+  # repo of ASAPCollector, one level up from this repo root.)
+  - github.com/ProjectASAP/asap-precompute-go => ../../../asap-precompute-go