diff --git a/10/alpine/Dockerfile b/10/alpine/Dockerfile
index c5d82fd5e4..10b736dd69 100644
--- a/10/alpine/Dockerfile
+++ b/10/alpine/Dockerfile
@@ -45,14 +45,14 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
 		libxslt-dev \
 		linux-headers \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -96,9 +96,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index 2ea95373cd..750e665767 100644
--- a/11/alpine/Dockerfile
+++ b/11/alpine/Dockerfile
@@ -45,7 +45,7 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
@@ -53,7 +53,7 @@ RUN set -eux; \
 		linux-headers \
 		llvm11-dev clang g++ \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -97,9 +97,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/12/alpine/Dockerfile b/12/alpine/Dockerfile
index 2a00721b1d..6a5dfd6f2a 100644
--- a/12/alpine/Dockerfile
+++ b/12/alpine/Dockerfile
@@ -45,7 +45,7 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
@@ -53,7 +53,7 @@ RUN set -eux; \
 		linux-headers \
 		llvm11-dev clang g++ \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -97,9 +97,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/13/alpine/Dockerfile b/13/alpine/Dockerfile
index 2724438ce8..7fc80cc9b5 100644
--- a/13/alpine/Dockerfile
+++ b/13/alpine/Dockerfile
@@ -45,7 +45,7 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
@@ -53,7 +53,7 @@ RUN set -eux; \
 		linux-headers \
 		llvm11-dev clang g++ \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -97,9 +97,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/14/alpine/Dockerfile b/14/alpine/Dockerfile
index 2c7780f337..d03d5d42ba 100644
--- a/14/alpine/Dockerfile
+++ b/14/alpine/Dockerfile
@@ -45,7 +45,7 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
@@ -53,7 +53,7 @@ RUN set -eux; \
 		linux-headers \
 		llvm11-dev clang g++ \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -99,9 +99,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/9.6/alpine/Dockerfile b/9.6/alpine/Dockerfile
index a63dee5b24..dc391b7fc2 100644
--- a/9.6/alpine/Dockerfile
+++ b/9.6/alpine/Dockerfile
@@ -45,14 +45,14 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
 		libxslt-dev \
 		linux-headers \
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -94,9 +94,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 1bde872883..31a9882e50 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -39,7 +39,7 @@ RUN set -eux; \
 		dpkg-dev dpkg \
 		flex \
 		gcc \
-#		krb5-dev \
+		krb5-dev \
 		libc-dev \
 		libedit-dev \
 		libxml2-dev \
@@ -49,7 +49,7 @@ RUN set -eux; \
 		llvm11-dev clang g++ \
 {{ ) else "" end -}}
 		make \
-#		openldap-dev \
+		openldap-dev \
 		openssl-dev \
 # configure: error: prove not found
 		perl-utils \
@@ -99,9 +99,9 @@ RUN set -eux; \
 		--prefix=/usr/local \
 		--with-includes=/usr/local/include \
 		--with-libraries=/usr/local/lib \
-#		--with-krb5 \
-#		--with-gssapi \
-#		--with-ldap \
+		--with-krb5 \
+		--with-gssapi \
+		--with-ldap \
 		--with-tcl \
 		--with-perl \
 		--with-python \