diff --git a/share/ci/scripts/linux/dnf/install_doxygen.sh b/share/ci/scripts/linux/dnf/install_doxygen.sh
index 58dcd5a5b..19b559285 100755
--- a/share/ci/scripts/linux/dnf/install_doxygen.sh
+++ b/share/ci/scripts/linux/dnf/install_doxygen.sh
@@ -8,7 +8,7 @@ DOXYGEN_VERSION="$1"
 
 if ! command -v doxygen >/dev/null; then
     if command -v dnf >/dev/null; then
-        if [ "$DOXYGEN_VERSION" == "latest" ]; then
+        if [ "$DOXYGEN_VERSION" = "latest" ]; then
             dnf install -y doxygen
         else
             dnf install -y doxygen-${DOXYGEN_VERSION}
@@ -46,7 +46,7 @@ EOF
             yum makecache
         fi
 
-        if [ "$DOXYGEN_VERSION" == "latest" ]; then
+        if [ "$DOXYGEN_VERSION" = "latest" ]; then
             yum install -y doxygen
         else
             yum install -y doxygen-${DOXYGEN_VERSION}
diff --git a/share/ci/scripts/macos/install_bison.sh b/share/ci/scripts/macos/install_bison.sh
index b04506e46..dc35806e6 100755
--- a/share/ci/scripts/macos/install_bison.sh
+++ b/share/ci/scripts/macos/install_bison.sh
@@ -6,7 +6,7 @@ set -ex
 
 BISON_VERSION="$1"
 
-if [ "$BISON_VERSION" == "latest" ]; then
+if [ "$BISON_VERSION" = "latest" ]; then
     brew install bison
 else
     brew install bison@${BISON_VERSION}
diff --git a/share/ci/scripts/macos/install_boost.sh b/share/ci/scripts/macos/install_boost.sh
index be3034a0e..52a0cc5f0 100755
--- a/share/ci/scripts/macos/install_boost.sh
+++ b/share/ci/scripts/macos/install_boost.sh
@@ -6,7 +6,7 @@ set -ex
 
 BOOST_VERSION="$1"
 
-if [ "$BOOST_VERSION" == "latest" ]; then
+if [ "$BOOST_VERSION" = "latest" ]; then
     brew install boost
 else
     brew install boost@${BOOST_VERSION}
diff --git a/share/ci/scripts/macos/install_doxygen.sh b/share/ci/scripts/macos/install_doxygen.sh
index 2dc282fee..877e59e30 100755
--- a/share/ci/scripts/macos/install_doxygen.sh
+++ b/share/ci/scripts/macos/install_doxygen.sh
@@ -6,7 +6,7 @@ set -ex
 
 DOXYGEN_VERSION="$1"
 
-if [ "$DOXYGEN_VERSION" == "latest" ]; then
+if [ "$DOXYGEN_VERSION" = "latest" ]; then
     brew install --quiet --formula doxygen
 else
     brew install --quiet --formula doxygen@${DOXYGEN_VERSION}
diff --git a/share/ci/scripts/macos/install_oiio.sh b/share/ci/scripts/macos/install_oiio.sh
index 63baa90dd..358aac661 100755
--- a/share/ci/scripts/macos/install_oiio.sh
+++ b/share/ci/scripts/macos/install_oiio.sh
@@ -6,7 +6,7 @@ set -ex
 
 OIIO_VERSION="$1"
 
-if [ "$OIIO_VERSION" == "latest" ]; then
+if [ "$OIIO_VERSION" = "latest" ]; then
     brew install openimageio
 else
     brew install openimageio@${OIIO_VERSION}