diff --git a/.github/actions/conditional/conditional.sh b/.github/actions/conditional/conditional.sh
index 7e3166745d0..5192cd028e1 100755
--- a/.github/actions/conditional/conditional.sh
+++ b/.github/actions/conditional/conditional.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 REPOSITORY="$1"
 REF="$2"
diff --git a/.github/check-area-labels.sh b/.github/check-area-labels.sh
index 32a3c22d217..03caec4c1ae 100755
--- a/.github/check-area-labels.sh
+++ b/.github/check-area-labels.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 TEAMS="teams.yml"
 BUG="ISSUE_TEMPLATE/bug.yml"
diff --git a/.github/scripts/download-node-tooling.sh b/.github/scripts/download-node-tooling.sh
index afee184ae88..6db2e1ec264 100755
--- a/.github/scripts/download-node-tooling.sh
+++ b/.github/scripts/download-node-tooling.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 abort() {
   echo $1
diff --git a/.github/scripts/pr-backport.sh b/.github/scripts/pr-backport.sh
index 4dcf5608c0f..20682f3b210 100755
--- a/.github/scripts/pr-backport.sh
+++ b/.github/scripts/pr-backport.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 TARGET_REMOTE=upstream
 KEYCLOAK_REPO=https://github.com/keycloak/keycloak
diff --git a/.github/scripts/pr-find-issues-test.sh b/.github/scripts/pr-find-issues-test.sh
index 03de462421b..7e7b39957ea 100755
--- a/.github/scripts/pr-find-issues-test.sh
+++ b/.github/scripts/pr-find-issues-test.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 # Use this script to test different variants of a PR body.
 
 source ./pr-find-issues.sh
diff --git a/.github/scripts/pr-find-issues.sh b/.github/scripts/pr-find-issues.sh
index e9bd720ea29..7e5153479f1 100755
--- a/.github/scripts/pr-find-issues.sh
+++ b/.github/scripts/pr-find-issues.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 PR="$1"
 REPO="$2"
diff --git a/.github/scripts/prepare-quarkus-next.sh b/.github/scripts/prepare-quarkus-next.sh
index 60d6c1acd5d..f8713d879f9 100755
--- a/.github/scripts/prepare-quarkus-next.sh
+++ b/.github/scripts/prepare-quarkus-next.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -xeuo pipefail
 
 add_repository() {
diff --git a/.github/scripts/run-fips-it.sh b/.github/scripts/run-fips-it.sh
index d78ae8fc67e..47e4d94ea96 100755
--- a/.github/scripts/run-fips-it.sh
+++ b/.github/scripts/run-fips-it.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
+set -x
 
 rm -f /etc/system-fips
 dnf install -y java-21-openjdk-devel
diff --git a/.github/scripts/run-fips-ut.sh b/.github/scripts/run-fips-ut.sh
index 0ebcb002a23..5313c9c7195 100755
--- a/.github/scripts/run-fips-ut.sh
+++ b/.github/scripts/run-fips-ut.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 rm -f /etc/system-fips
 dnf install -y java-21-openjdk-devel crypto-policies-scripts
diff --git a/.github/scripts/run-ipa-tests.sh b/.github/scripts/run-ipa-tests.sh
index 0b3bd4d462b..98526f714e9 100755
--- a/.github/scripts/run-ipa-tests.sh
+++ b/.github/scripts/run-ipa-tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -o pipefail
 
diff --git a/.github/scripts/run-ipa.sh b/.github/scripts/run-ipa.sh
index bcb66435b4d..2dd36e8bc28 100755
--- a/.github/scripts/run-ipa.sh
+++ b/.github/scripts/run-ipa.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -o pipefail
 DOCKER=podman
diff --git a/distribution/licenses-common/check-licenses.sh b/distribution/licenses-common/check-licenses.sh
index 4bbc5bb6649..47fb82ff416 100755
--- a/distribution/licenses-common/check-licenses.sh
+++ b/distribution/licenses-common/check-licenses.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 MODULES=`readlink -f $1`
 LICENSES=`readlink -f $2`
diff --git a/distribution/licenses-common/download-license-files.sh b/distribution/licenses-common/download-license-files.sh
index 9e9efddf602..bd66a525c1a 100755
--- a/distribution/licenses-common/download-license-files.sh
+++ b/distribution/licenses-common/download-license-files.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eEu
 
diff --git a/distribution/licenses-common/update-licenses.sh b/distribution/licenses-common/update-licenses.sh
index e07a8368d76..93769ea1150 100755
--- a/distribution/licenses-common/update-licenses.sh
+++ b/distribution/licenses-common/update-licenses.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 DIR=`dirname $0 | xargs readlink -f`
 cd $DIR/../../
diff --git a/docs/documentation/build-auto.sh b/docs/documentation/build-auto.sh
index 308c2924b95..c8d762ba4d2 100755
--- a/docs/documentation/build-auto.sh
+++ b/docs/documentation/build-auto.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 OPTS=$1
 
diff --git a/docs/documentation/get-version.sh b/docs/documentation/get-version.sh
index 805d9269bc9..0a27e633bf6 100755
--- a/docs/documentation/get-version.sh
+++ b/docs/documentation/get-version.sh
@@ -1,3 +1,4 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 awk '/:project_version:/ { print $2 }' topics/templates/document-attributes.adoc
diff --git a/get-version.sh b/get-version.sh
index ca1d1bd95fa..df96ca84aaa 100755
--- a/get-version.sh
+++ b/get-version.sh
@@ -1,3 +1,4 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 ./mvnw help:evaluate -Dexpression=project.version -q -DforceStdout -pl .
diff --git a/js/util/gh-dependabot-failure-stats.sh b/js/util/gh-dependabot-failure-stats.sh
index 57086f82590..021f3c43c7f 100755
--- a/js/util/gh-dependabot-failure-stats.sh
+++ b/js/util/gh-dependabot-failure-stats.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Displays the count of Dependabot PRs opened in the last 7 days
 # and the number of failed Admin UI E2E and Account UI E2E checks.
 
diff --git a/misc/log/trimmer.sh b/misc/log/trimmer.sh
index d6c66bf11d3..268a7ddd11f 100755
--- a/misc/log/trimmer.sh
+++ b/misc/log/trimmer.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 cd "$(dirname "$0")"
 
diff --git a/misc/scripts/check-java-version.sh b/misc/scripts/check-java-version.sh
index 76bd6386f6d..5c4447b7e4a 100755
--- a/misc/scripts/check-java-version.sh
+++ b/misc/scripts/check-java-version.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 ZIP=$1
 JAVAV=$2
diff --git a/misc/scripts/dependency-report.sh b/misc/scripts/dependency-report.sh
index ae19dae2be3..ef1317f29df 100755
--- a/misc/scripts/dependency-report.sh
+++ b/misc/scripts/dependency-report.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd $(dirname $0 | xargs readlink -f)/../../
 
diff --git a/operator/scripts/build-testing-docker-images.sh b/operator/scripts/build-testing-docker-images.sh
index 5e24fd81019..b2c3b67051e 100755
--- a/operator/scripts/build-testing-docker-images.sh
+++ b/operator/scripts/build-testing-docker-images.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 VERSION="${1:-latest}"
diff --git a/operator/scripts/check-crd-installed.sh b/operator/scripts/check-crd-installed.sh
index 93db89a2237..cc86b6b4caa 100755
--- a/operator/scripts/check-crd-installed.sh
+++ b/operator/scripts/check-crd-installed.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 CRD=$1
diff --git a/operator/scripts/check-examples-installed.sh b/operator/scripts/check-examples-installed.sh
index b5e45987480..f818e4a0125 100755
--- a/operator/scripts/check-examples-installed.sh
+++ b/operator/scripts/check-examples-installed.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 NAMESPACE=${1:-default}
diff --git a/operator/scripts/create-olm-bundle.sh b/operator/scripts/create-olm-bundle.sh
index 63980df5553..48c6c8140e4 100755
--- a/operator/scripts/create-olm-bundle.sh
+++ b/operator/scripts/create-olm-bundle.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 # Ex: 21.0.0
diff --git a/operator/scripts/create-olm-test-catalog.sh b/operator/scripts/create-olm-test-catalog.sh
index 84a4a4f911a..579cd813dd5 100755
--- a/operator/scripts/create-olm-test-catalog.sh
+++ b/operator/scripts/create-olm-test-catalog.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 VERSION=$1
diff --git a/operator/scripts/create-olm-test-resources.sh b/operator/scripts/create-olm-test-resources.sh
index 2dce6824801..321ac85a16c 100755
--- a/operator/scripts/create-olm-test-resources.sh
+++ b/operator/scripts/create-olm-test-resources.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 VERSION=$1
diff --git a/operator/scripts/deploy-examples.sh b/operator/scripts/deploy-examples.sh
index 9ff98256a43..551d6af403a 100755
--- a/operator/scripts/deploy-examples.sh
+++ b/operator/scripts/deploy-examples.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 NAMESPACE=${1:-default}
diff --git a/operator/scripts/install-keycloak-operator.sh b/operator/scripts/install-keycloak-operator.sh
index 211d3049274..b16e196a540 100755
--- a/operator/scripts/install-keycloak-operator.sh
+++ b/operator/scripts/install-keycloak-operator.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
diff --git a/operator/scripts/install-olm.sh b/operator/scripts/install-olm.sh
index ba945182def..52ccd0191d0 100755
--- a/operator/scripts/install-olm.sh
+++ b/operator/scripts/install-olm.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 mkdir -p /tmp/olm/
diff --git a/operator/scripts/olm-testing.sh b/operator/scripts/olm-testing.sh
index 9e856e22023..a8c56d89d9c 100755
--- a/operator/scripts/olm-testing.sh
+++ b/operator/scripts/olm-testing.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 UUID=${1:-$(git rev-parse --short HEAD)}
diff --git a/operator/scripts/prepare-olm-test.sh b/operator/scripts/prepare-olm-test.sh
index f2ed53494d0..26d9a0d59f4 100755
--- a/operator/scripts/prepare-olm-test.sh
+++ b/operator/scripts/prepare-olm-test.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euxo pipefail
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
diff --git a/operator/scripts/undeploy-examples.sh b/operator/scripts/undeploy-examples.sh
index d9d1e71c4d0..80c554f724a 100755
--- a/operator/scripts/undeploy-examples.sh
+++ b/operator/scripts/undeploy-examples.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 NAMESPACE=${1:-default}
diff --git a/quarkus/container/ubi-null.sh b/quarkus/container/ubi-null.sh
index c19fd9eb8e4..1c9cf3c4627 100755
--- a/quarkus/container/ubi-null.sh
+++ b/quarkus/container/ubi-null.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 #set -x
diff --git a/quarkus/set-quarkus-version.sh b/quarkus/set-quarkus-version.sh
index d7e6122700a..73ce55743c8 100755
--- a/quarkus/set-quarkus-version.sh
+++ b/quarkus/set-quarkus-version.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 #
 # Copyright 2022 Red Hat, Inc. and/or its affiliates
 # and other contributors as indicated by the @author tags.
diff --git a/set-version.sh b/set-version.sh
index 0820ba8c9a1..64563e0d5f3 100755
--- a/set-version.sh
+++ b/set-version.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 NEW_VERSION=$1
 
diff --git a/test-framework/db-edb/container/init-and-start-db.sh b/test-framework/db-edb/container/init-and-start-db.sh
index 9c515c1a339..8eb15b3a6f3 100755
--- a/test-framework/db-edb/container/init-and-start-db.sh
+++ b/test-framework/db-edb/container/init-and-start-db.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 PGSETUP_INITDB_OPTIONS="-E UTF-8" ./initdb -A md5 -U $PGUSER --pwfile=<(echo "$PGPASSWORD")
diff --git a/tests/migration-util/migrate.sh b/tests/migration-util/migrate.sh
index b3ff31b6554..6b91685f849 100755
--- a/tests/migration-util/migrate.sh
+++ b/tests/migration-util/migrate.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 mvn -q clean install
 java -jar target/migration-util.jar $1
diff --git a/testsuite/integration-arquillian/servers/app-server/jboss/common/install-patch.sh b/testsuite/integration-arquillian/servers/app-server/jboss/common/install-patch.sh
index bf091d58454..76707a0338a 100755
--- a/testsuite/integration-arquillian/servers/app-server/jboss/common/install-patch.sh
+++ b/testsuite/integration-arquillian/servers/app-server/jboss/common/install-patch.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 echo "JBOSS_HOME=$JBOSS_HOME"
 
 if [ ! -d "$JBOSS_HOME/bin" ] ; then
diff --git a/testsuite/integration-arquillian/tests/base/testsuites/base-suite.sh b/testsuite/integration-arquillian/tests/base/testsuites/base-suite.sh
index 3b200ee8418..e1b2b51b362 100755
--- a/testsuite/integration-arquillian/tests/base/testsuites/base-suite.sh
+++ b/testsuite/integration-arquillian/tests/base/testsuites/base-suite.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 GROUP="$1"
 if [ "$GROUP" == "" ]; then
diff --git a/testsuite/integration-arquillian/tests/base/testsuites/suite.sh b/testsuite/integration-arquillian/tests/base/testsuites/suite.sh
index 27cf54732c7..30fcdd6dc3c 100755
--- a/testsuite/integration-arquillian/tests/base/testsuites/suite.sh
+++ b/testsuite/integration-arquillian/tests/base/testsuites/suite.sh
@@ -1,4 +1,5 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 GROUP="$1"
 if [ "$GROUP" == "" ]; then
diff --git a/testsuite/model/test-all-profiles.sh b/testsuite/model/test-all-profiles.sh
index 69932868df5..13695e776fa 100755
--- a/testsuite/model/test-all-profiles.sh
+++ b/testsuite/model/test-all-profiles.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ##
 ## To include test coverage data, use -Djacoco.skip=false parameter.