diff --git a/debian/control b/debian/control
index 8196447aaf..52af2cc464 100644
--- a/debian/control
+++ b/debian/control
@@ -43,7 +43,7 @@ Depends: ${shlibs:Depends}, ${misc:Depends},
  ruby-default-value-for (>= 3.1.1~),
 #ruby-mysql2 | ruby-pg,
  ruby-pg (>= 1.1~),
- ruby-rugged (>= 0.27~),
+ ruby-rugged (>= 0.28~),
  ruby-grape-path-helpers (>= 1.1~),
  ruby-faraday (>= 0.12~),
 # Authentication libraries
@@ -65,7 +65,7 @@ Depends: ${shlibs:Depends}, ${misc:Depends},
  ruby-omniauth-twitter (>= 1.4~),
  ruby-omniauth-crowd (>= 2.2~),
  ruby-omniauth-authentiq (>= 0.3.3~),
- ruby-rack-oauth2 (>= 1.2.1~),
+ ruby-rack-oauth2 (>= 1.9.3~),
 # ruby-jwt (>= 2.1~),
 # Spam and anti-bot protection
  ruby-recaptcha (>= 4.11~),
@@ -83,7 +83,7 @@ Depends: ${shlibs:Depends}, ${misc:Depends},
 # GPG
  ruby-gpgme (>= 2.0.18~),
 # LDAP Auth
- ruby-omniauth-ldap (>= 2.0.4~),
+ ruby-omniauth-ldap (>= 2.1.1~),
    ruby-ntlm (>= 0.6.1~),
  ruby-net-ldap (>= 0.16.1~),
 # API