diff --git a/.github/workflows/all.yml b/.github/workflows/all.yml
index 97b8d871..02a292d6 100644
--- a/.github/workflows/all.yml
+++ b/.github/workflows/all.yml
@@ -379,13 +379,13 @@ jobs:
           echo "Checking the Linux JARs to ensure a sufficiently old required GLIBC and GLIBCXX version in each..."
 
           echo "Checking linux-aarch64/libvoyager.so (should require at most GLIBC 2.27...)"
-          objdump -T combined-jar/linux-aarch64/libvoyager.so | grep GLIBC | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | sort -Vu | tail -n 1 | grep 2\.27 || (echo "Expected linux-aarch64 binary to require at most glibc 2.27. Ensure the dockcross container has not been updated." && false)
+          objdump -T combined-jar/linux-aarch64/libvoyager.so | grep GLIBC | grep -v GLIBCXX | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | cat - <(echo 2\.27) | sort -Vu | tail -n 1 | grep 2\.27 || (echo "Expected linux-aarch64 binary to require at most glibc 2.27. Ensure the dockcross container has not been updated." && false)
           echo "Checking linux-aarch64/libvoyager.so (should require at most GLIBCXX 3.4.22...)"
-          objdump -T combined-jar/linux-aarch64/libvoyager.so | grep GLIBCXX | sed 's/.*GLIBCXX_\([.0-9]*\).*/\1/g' | sort -Vu | tail -n 1 | grep 3\.4\.22 || (echo "Expected linux-aarch64 binary to require at most glibc++ 3.4.22. Ensure the dockcross container has not been updated." && false)
+          objdump -T combined-jar/linux-aarch64/libvoyager.so | grep GLIBCXX | sed 's/.*GLIBCXX_\([.0-9]*\).*/\1/g' | cat - <(echo 3\.4\.22) | sort -Vu | tail -n 1 | grep 3\.4\.22 || (echo "Expected linux-aarch64 binary to require at most glibc++ 3.4.22. Ensure the dockcross container has not been updated." && false)
           echo "Checking linux-x64/libvoyager.so (should require at most GLIBC 2.27...)"
-          objdump -T combined-jar/linux-x64/libvoyager.so | grep GLIBC | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | sort -Vu | tail -n 1 | grep 2\.27 || (echo "Expected linux-x64 binary to require at most glibc 2.28. Ensure the dockcross container has not been updated." && false)
+          objdump -T combined-jar/linux-x64/libvoyager.so | grep GLIBC | grep -v GLIBCXX | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | cat - <(echo 2\.27) | sort -Vu | tail -n 1 | grep 2\.27 || (echo "Expected linux-x64 binary to require at most glibc 2.28. Ensure the dockcross container has not been updated." && false)
           echo "Checking linux-x64/libvoyager.so (should require at most GLIBCXX 3.4.22...)"
-          objdump -T combined-jar/linux-x64/libvoyager.so | grep GLIBCXX | sed 's/.*GLIBCXX_\([.0-9]*\).*/\1/g' | sort -Vu | tail -n 1 | grep 3\.4\.22  || (echo "Expected linux-x64 binary to require at most glibc++ 3.4.22. Ensure the dockcross container has not been updated." && false)
+          objdump -T combined-jar/linux-x64/libvoyager.so | grep GLIBCXX | sed 's/.*GLIBCXX_\([.0-9]*\).*/\1/g' | cat - <(echo 3\.4\.22) | sort -Vu | tail -n 1 | grep 3\.4\.22  || (echo "Expected linux-x64 binary to require at most glibc++ 3.4.22. Ensure the dockcross container has not been updated." && false)
 
           zip -r $(ls java-* | grep jar | tail -n 1) combined-jar/*
       - uses: actions/upload-artifact@v3