diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c6fe0b76e..189aaec0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,13 +37,18 @@ jobs:
           path: .tools
           key: ${{ runner.os }}-${{ env.DEFAULT_GO_VERSION }}-${{ env.cache-name }}-${{ hashFiles('./internal/tools/**') }}
       # The step below is needed to not rebuild all the build tools.
-      - name: Set internal/tools/go.mod timestamp
+      - name: Set internal/tools timestamps
         run: |
-          filename="internal/tools/go.mod"
-          unixtime=$(git log -1 --format="%at" -- "${filename}")
-          touchtime=$(date -d @$unixtime +'%Y%m%d%H%M.%S')
-          touch -t ${touchtime} "${filename}"
-          ls -la --time-style=full-iso "${filename}"
+          git ls-files \
+            internal/tools/go.mod \
+            internal/tools/semconvkit \
+            internal/tools/verifyreadmes \
+          | while IFS= read -r filename; do
+              unixtime=$(git log -1 --format="%at" -- "${filename}")
+              touchtime=$(date -d @"${unixtime}" +'%Y%m%d%H%M.%S')
+              touch -t "${touchtime}" "${filename}"
+              ls -la --time-style=full-iso "${filename}"
+            done
       - name: Generate
         run: make generate
       - name: Run linters
@@ -74,13 +79,18 @@ jobs:
           path: .tools
           key: ${{ runner.os }}-${{ env.DEFAULT_GO_VERSION }}-${{ env.cache-name }}-${{ hashFiles('./internal/tools/**') }}
       # The step below is needed to not rebuild all the build tools.
-      - name: Set internal/tools/go.mod timestamp
+      - name: Set internal/tools timestamps
         run: |
-          filename="internal/tools/go.mod"
-          unixtime=$(git log -1 --format="%at" -- "${filename}")
-          touchtime=$(date -d @$unixtime +'%Y%m%d%H%M.%S')
-          touch -t ${touchtime} "${filename}"
-          ls -la --time-style=full-iso "${filename}"
+          git ls-files \
+            internal/tools/go.mod \
+            internal/tools/semconvkit \
+            internal/tools/verifyreadmes \
+          | while IFS= read -r filename; do
+              unixtime=$(git log -1 --format="%at" -- "${filename}")
+              touchtime=$(date -d @"${unixtime}" +'%Y%m%d%H%M.%S')
+              touch -t "${touchtime}" "${filename}"
+              ls -la --time-style=full-iso "${filename}"
+            done
       - name: Run govulncheck
         run: make govulncheck
 
diff --git a/Makefile b/Makefile
index 9f6e6b511..42466f2d6 100644
--- a/Makefile
+++ b/Makefile
@@ -38,10 +38,14 @@ CROSSLINK = $(TOOLS)/crosslink
 $(TOOLS)/crosslink: PACKAGE=go.opentelemetry.io/build-tools/crosslink
 
 SEMCONVKIT = $(TOOLS)/semconvkit
+SEMCONVKIT_FILES := $(sort $(shell find $(TOOLS_MOD_DIR)/semconvkit -type f))
 $(TOOLS)/semconvkit: PACKAGE=go.opentelemetry.io/otel/$(TOOLS_MOD_DIR)/semconvkit
+$(TOOLS)/semconvkit: $(SEMCONVKIT_FILES)
 
 VERIFYREADMES = $(TOOLS)/verifyreadmes
+VERIFYREADMES_FILES := $(sort $(shell find $(TOOLS_MOD_DIR)/verifyreadmes -type f))
 $(TOOLS)/verifyreadmes: PACKAGE=go.opentelemetry.io/otel/$(TOOLS_MOD_DIR)/verifyreadmes
+$(TOOLS)/verifyreadmes: $(VERIFYREADMES_FILES)
 
 GOLANGCI_LINT = $(TOOLS)/golangci-lint
 $(TOOLS)/golangci-lint: PACKAGE=github.com/golangci/golangci-lint/v2/cmd/golangci-lint