A pressure-sensitive adhesive composition based on renewable raw materials, wherein the adhesive composition contains: (a) at least one polymer based on polylactic acid in amounts of from 10 to 60 % by weight, based on the adhesive composition; (b) at least one resin in amounts of from 10 to 60 % by weight, based on the adhesive composition; (c) at least one plasticizing agent (plasticizer) in amounts of from 2 to 60 % by weight, based on the adhesive composition; and (d) optionally at least one wax in amounts of from 0.1 to 50 % by weight, based on the adhesive composition, wherein the polymer (a) has a weight average molecular weight M w in the range of from 1,000 to 80,000 g/mol as determined by GPC according to item 1 of the embodiments, wherein the polymer (a) has a polydispersity M w /M n in the range of from 1.5 to 7, wherein the polymer (a) based on polylactic acid contains L-lactic acid units and D-lactic acid units, wherein the polymer (a) has a ratio of L-lactic acid units to D-lactic acid units in the range of from 85:15 to 60:40, wherein the polymer (a) comprises sections and/or segments of lactic acid units, wherein the individual sections and/or segments of lactic acid units have a number-average molar mass M n in the range of from 400 to 8,000 g/mol, determined by GPC according to item 1 of the embodiments, and wherein the polymer (a), following the sections and/or segments of lactic acid units, comprises, for chain extension, modifications based on chemical groups and/or segments selected from (i) polyethers, polyesters, polyamides and/or (ii) urethanes, polyurethanes and/or (iii) polyacrylates, polymethacrylates, polystyrenes, acrylic/styrene copolymers, styrene copolymers, polyvinyl acetates, polyolefins as well as mixtures and co- and terpolymers thereof. (a) at least one polymer based on polylactic acid in amounts of from 10 to 60 % by weight, based on the adhesive composition; (b) at least one resin in amounts of from 10 to 60 % by weight, based on the adhesive composition; (c) at least one plasticizing agent (plasticizer) in amounts of from 2 to 60 % by weight, based on the adhesive composition; and (d) optionally at least one wax in amounts of from 0.1 to 50 % by weight, based on the adhesive composition, wherein the polymer (a) has a weight average molecular weight M w in the range of from 1,000 to 80,000 g/mol as determined by GPC according to item 1 of the embodiments, wherein the polymer (a) has a polydispersity M w /M n in the range of from 1.5 to 7, wherein the polymer (a) based on polylactic acid contains L-lactic acid units and D-lactic acid units, wherein the polymer (a) has a ratio of L-lactic acid units to D-lactic acid units in the range of from 85:15 to 60:40, wherein the polymer (a) comprises sections and/or segments of lactic acid units, wherein the individual sections and/or segments of lactic acid units have a number-average molar mass M n in the range of from 400 to 8,000 g/mol, determined by GPC according to item 1 of the embodiments, and wherein the polymer (a), following the sections and/or segments of lactic acid units, comprises, for chain extension, modifications based on chemical groups and/or segments selected from (i) polyethers, polyesters, polyamides and/or (ii) urethanes, polyurethanes and/or (iii) polyacrylates, polymethacrylates, polystyrenes, acrylic/styrene copolymers, styrene copolymers, polyvinyl acetates, polyolefins as well as mixtures and co- and terpolymers thereof. wherein the polymer (a) has a weight average molecular weight M w in the range of from 1,000 to 80,000 g/mol as determined by GPC according to item 1 of the embodiments, wherein the polymer (a) has a polydispersity M w /M n in the range of from 1.5 to 7, wherein the polymer (a) based on polylactic acid contains L-lactic acid units and D-lactic acid units, wherein the polymer (a) has a ratio of L-lactic acid units to D-lactic acid units in the range of from 85:15 to 60:40, wherein the polymer (a) comprises sections and/or segments of lactic acid units, wherein the individual sections and/or segments of lactic acid units have a number-average molar mass M n in the range of from 400 to 8,000 g/mol, determined by GPC according to item 1 of the embodiments, and wherein the polymer (a), following the sections and/or segments of lactic acid units, comprises, for chain extension, modifications based on chemical groups and/or segments selected from (i) polyethers, polyesters, polyamides and/or (ii) urethanes, polyurethanes and/or (iii) polyacrylates, polymethacrylates, polystyrenes, acrylic/styrene copolymers, styrene copolymers, polyvinyl acetates, polyolefins (i) polyethers, polyesters, polyamides and/or (ii) urethanes, polyurethanes and/or (iii) polyacrylates, polymethacrylates, polystyrenes, acrylic/styrene copolymers, styrene copolymers, polyvinyl acetates, polyolefins as well as mixtures and co- and terpolymers thereof.